Extending substr_replace().

Every parameter can be mixed (string/array) also the return type.
#see the test file if you need more info.

2 files changed, 1019 insertions, 37 deletions

diff --git a/ext/standard/string.c b/ext/standard/string.c
index 89e4fff459..778ccd3b89 100644
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -1833,13 +1833,14 @@ PHP_FUNCTION(substr)
 }
 /* }}} */
 
-/* {{{ proto string substr_replace(string str, string repl, int start [, int length])
+
+/* {{{ proto mixed substr_replace(mixed str, mixed repl, mixed start [, mixed length])
    Replaces part of a string with another string */
 PHP_FUNCTION(substr_replace)
 {
 	zval **str;
 	zval **from;
-	zval **len;
+	zval **len = NULL;
 	zval **repl;
 	char *result;
 	int result_len;
@@ -1847,61 +1848,230 @@ PHP_FUNCTION(substr_replace)
 	int f;
 	int argc = ZEND_NUM_ARGS();
 
+	HashPosition pos_str, pos_from, pos_repl, pos_len;
+	zval **tmp_str = NULL, **tmp_from = NULL, **tmp_repl = NULL, **tmp_len= NULL;
+
+
 	if (argc < 3 || argc > 4 || zend_get_parameters_ex(argc, &str, &repl, &from, &len) == FAILURE) {
 		WRONG_PARAM_COUNT;
 	}
-
-	convert_to_string_ex(str);
-	convert_to_string_ex(repl);
-	convert_to_long_ex(from);
 	
+	if (Z_TYPE_PP(str) != IS_ARRAY) {
+		convert_to_string_ex(str);
+	}
+	if (Z_TYPE_PP(repl) != IS_ARRAY) {
+		convert_to_string_ex(repl);
+	}
+	if (Z_TYPE_PP(from) != IS_ARRAY) {
+		convert_to_long_ex(from);
+	}
+
 	if (argc > 3) {
-		convert_to_long_ex(len);
-		l = Z_LVAL_PP(len);
+		if (Z_TYPE_PP(len) != IS_ARRAY) {
+			convert_to_long_ex(len);
+			l = Z_LVAL_PP(len);
+		}
 	} else {
-		l = Z_STRLEN_PP(str);
+		if (Z_TYPE_PP(str) != IS_ARRAY) {
+			l = Z_STRLEN_PP(str);
+		}
 	}
-	
-	f = Z_LVAL_PP(from);
 
-	/* if "from" position is negative, count start position from the end
-	 * of the string
-	 */
-	if (f < 0) {
-		f = Z_STRLEN_PP(str) + f;
-		if (f < 0) {
-			f = 0;
+	if (Z_TYPE_PP(str) == IS_STRING) {
+		if (
+			(argc == 3 && Z_TYPE_PP(from) == IS_ARRAY) 
+			|| 
+			(argc == 4 && Z_TYPE_PP(from) != Z_TYPE_PP(len))
+		) {
+			php_error_docref(NULL TSRMLS_CC, E_WARNING, "'from' and 'len' should be of same type - numerical or array ");
+			RETURN_STRINGL(Z_STRVAL_PP(str), Z_STRLEN_PP(str), 1);		
+		}
+		if (argc == 4 && Z_TYPE_PP(from) == IS_ARRAY) {
+			if (zend_hash_num_elements(Z_ARRVAL_PP(from)) != zend_hash_num_elements(Z_ARRVAL_PP(len))) {
+				php_error_docref(NULL TSRMLS_CC, E_WARNING, "'from' and 'len' should have the same number of elements");
+				RETURN_STRINGL(Z_STRVAL_PP(str), Z_STRLEN_PP(str), 1);		
+			}
 		}
-	} else if (f > Z_STRLEN_PP(str)) {
-		f = Z_STRLEN_PP(str);
 	}
 
+	
+	if (Z_TYPE_PP(str) != IS_ARRAY) {
+		if (Z_TYPE_PP(from) != IS_ARRAY) {
+			int repl_len = 0;
 
-	/* if "length" position is negative, set it to the length
-	 * needed to stop that many chars from the end of the string
-	 */
-	if (l < 0) {
-		l = (Z_STRLEN_PP(str) - f) + l;
-		if (l < 0) {
-			l = 0;
+			f = Z_LVAL_PP(from);
+
+			/* if "from" position is negative, count start position from the end
+			 * of the string
+			 */
+			if (f < 0) {
+				f = Z_STRLEN_PP(str) + f;
+				if (f < 0) {
+					f = 0;
+				}
+			} else if (f > Z_STRLEN_PP(str)) {
+				f = Z_STRLEN_PP(str);
+			}
+			/* if "length" position is negative, set it to the length
+			 * needed to stop that many chars from the end of the string
+			 */
+			if (l < 0) {
+				l = (Z_STRLEN_PP(str) - f) + l;
+				if (l < 0) {
+					l = 0;
+				}
+			}
+
+			if ((f + l) > Z_STRLEN_PP(str)) {
+				l = Z_STRLEN_PP(str) - f;
+			}
+			if (Z_TYPE_PP(repl) == IS_ARRAY) {
+				zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(repl), &pos_repl);
+				if (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(repl), (void **) &tmp_repl, &pos_repl)) {
+					convert_to_string_ex(tmp_repl);
+					repl_len = Z_STRLEN_PP(tmp_repl);
+				}			
+				result_len = Z_STRLEN_PP(str) - l + repl_len;
+				result = ecalloc(result_len + 1, sizeof(char *));
+
+				memcpy(result, Z_STRVAL_PP(str), f);
+				if (repl_len) {
+					memcpy(&result[f], Z_STRVAL_PP(tmp_repl), repl_len);
+				}
+			} else {
+				repl_len = Z_STRLEN_PP(repl);
+				result_len = Z_STRLEN_PP(str) - l + repl_len;
+				result = ecalloc(result_len + 1, sizeof(char *));
+
+				memcpy(result, Z_STRVAL_PP(str), f);
+				memcpy(&result[f], Z_STRVAL_PP(repl), repl_len);
+			}
+			memcpy(&result[f + repl_len], Z_STRVAL_PP(str) + f + l, Z_STRLEN_PP(str) - f - l);
+			RETURN_STRINGL(result, result_len, 0);
+		} else {
+			php_error_docref(NULL TSRMLS_CC, E_WARNING, "Functionality of 'from' and 'len' as arrays is not implemented.");
+			RETURN_STRINGL(Z_STRVAL_PP(str), Z_STRLEN_PP(str), 1);	
 		}
-	}
+	} else { /* str is array of strings */
+		
+		array_init(return_value);
 
-	if ((f + l) > Z_STRLEN_PP(str)) {
-		l = Z_STRLEN_PP(str) - f;
-	}
+		if (Z_TYPE_PP(from) == IS_ARRAY) {
+			zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(from), &pos_from);
+		}
+
+		if (argc > 3 && Z_TYPE_PP(len) == IS_ARRAY) {
+			zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(len), &pos_len);
+		}
+		
+		if (Z_TYPE_PP(repl) == IS_ARRAY) {
+			zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(repl), &pos_repl);
+		}
+		
+		
+		zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(str), &pos_str);
+		while (zend_hash_get_current_data_ex(Z_ARRVAL_PP(str), (void **) &tmp_str, &pos_str) == SUCCESS) {
+			convert_to_string_ex(tmp_str);
+			
+			if (Z_TYPE_PP(from) == IS_ARRAY) {
+				if (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(from), (void **) &tmp_from, &pos_from)) {
+					convert_to_long_ex(tmp_from);
+					
+					f = Z_LVAL_PP(tmp_from);
+					if (f < 0) {
+						f = Z_STRLEN_PP(tmp_str) + f;
+						if (f < 0) {
+							f = 0;
+						}
+					} else if (f > Z_STRLEN_PP(tmp_str)) {
+						f = Z_STRLEN_PP(tmp_str);
+					}
+					zend_hash_move_forward_ex(Z_ARRVAL_PP(from), &pos_from);
+				} else {
+					f = 0;
+				}				
+			} else {
+				f = Z_LVAL_PP(from);
+				if (f < 0) {
+					f = Z_STRLEN_PP(tmp_str) + f;
+					if (f < 0) {
+						f = 0;
+					}
+				} else if (f > Z_STRLEN_PP(tmp_str)) {
+					f = Z_STRLEN_PP(tmp_str);
+				}		
+			}
+
+			
+			if (argc > 3 && Z_TYPE_PP(len) == IS_ARRAY) {
+				if (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(len), (void **) &tmp_len, &pos_len)) {
+					convert_to_long_ex(tmp_len);
+					
+					l = Z_LVAL_PP(tmp_len);
+					zend_hash_move_forward_ex(Z_ARRVAL_PP(len), &pos_len);
+				} else {
+					l = Z_STRLEN_PP(tmp_str);
+				}
+			} else if (argc > 3) { 
+				l = Z_LVAL_PP(len);
+			} else {
+				l = Z_STRLEN_PP(tmp_str);
+			}
+			
+			if (l < 0) {
+				l = (Z_STRLEN_PP(tmp_str) - f) + l;
+				if (l < 0) {
+					l = 0;
+				}
+			}	
+
+
+			if ((f + l) > Z_STRLEN_PP(tmp_str)) {
+				l = Z_STRLEN_PP(tmp_str) - f;
+			}
+		
+			result_len = Z_STRLEN_PP(tmp_str) - l;
+			
+			if (Z_TYPE_PP(repl) == IS_ARRAY) {
+				if (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(repl), (void **) &tmp_repl, &pos_repl)) {
+					convert_to_string_ex(tmp_repl);
+					result_len += Z_STRLEN_PP(tmp_repl);
+					zend_hash_move_forward_ex(Z_ARRVAL_PP(repl), &pos_repl);	
+					result = ecalloc(result_len + 1, sizeof(char *));
+
+					memcpy(result, Z_STRVAL_PP(tmp_str), f);
+					memcpy(&result[f], Z_STRVAL_PP(tmp_repl), Z_STRLEN_PP(tmp_repl));
+					memcpy(&result[f + Z_STRLEN_PP(tmp_repl)], Z_STRVAL_PP(tmp_str) + f + l, Z_STRLEN_PP(tmp_str) - f - l);
+				} else {
+					result = ecalloc(result_len + 1, sizeof(char *));
+	
+					memcpy(result, Z_STRVAL_PP(tmp_str), f);
+					memcpy(&result[f], Z_STRVAL_PP(tmp_str) + f + l, Z_STRLEN_PP(tmp_str) - f - l);
+				}
+
+			} else {
+				result_len += Z_STRLEN_PP(repl);
 
-	result_len = Z_STRLEN_PP(str) - l + Z_STRLEN_PP(repl);
-	result = ecalloc(result_len + 1, sizeof(char *));
+				result = ecalloc(result_len + 1, sizeof(char *));
 
-	memcpy(result, Z_STRVAL_PP(str), f);
-	memcpy(&result[f], Z_STRVAL_PP(repl), Z_STRLEN_PP(repl));
-	memcpy(&result[f + Z_STRLEN_PP(repl)], Z_STRVAL_PP(str) + f + l, Z_STRLEN_PP(str) - f - l);
 
-	RETURN_STRINGL(result, result_len, 0);
+				memcpy(result, Z_STRVAL_PP(tmp_str), f);
+				memcpy(&result[f], Z_STRVAL_PP(repl), Z_STRLEN_PP(repl));
+				memcpy(&result[f + Z_STRLEN_PP(repl)], Z_STRVAL_PP(tmp_str) + f + l, Z_STRLEN_PP(tmp_str) - f - l);
+			}
+			
+
+			add_next_index_stringl(return_value, result, result_len, 0);
+			
+			zend_hash_move_forward_ex(Z_ARRVAL_PP(str), &pos_str);
+		} /*while*/
+	} /* if */
 }
 /* }}} */
 
+
+
+
 /* {{{ proto string quotemeta(string str)
    Quotes meta characters */
 PHP_FUNCTION(quotemeta)
diff --git a/ext/standard/tests/strings/substr_replace.phpt b/ext/standard/tests/strings/substr_replace.phpt
new file mode 100644
index 0000000000..ada02eb83f
--- /dev/null
+++ b/ext/standard/tests/strings/substr_replace.phpt
@@ -0,0 +1,812 @@
+--TEST--
+substr_replace() function
+--POST--
+--GET--
+--FILE--
+<?php
+$str = "try this";
+$repl = "bala ";
+$start = 2;
+echo "\n";
+
+
+echo "substr_replace('$str', '$repl', $start)\n";
+var_dump(substr_replace($str, $repl, $start));
+echo "\n";
+
+$len = 3;
+echo "substr_replace('$str', '$repl', $start, $len)\n";
+var_dump(substr_replace($str, $repl, $start, $len));
+echo "\n";
+
+$len = 0;
+echo "substr_replace('$str', '$repl', $start, $len)\n";
+var_dump(substr_replace($str, $repl, $start, $len));
+echo "\n";
+
+$len = -2;
+echo "substr_replace('$str', '$repl', $start, $len)\n";
+var_dump(substr_replace($str, $repl, $start, $len));
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+$str = "try this";
+$repl = array("bala ");
+$start = 4;
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1)."")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1)."")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala");
+$repl = array("bala ");
+$start = array(4);
+$len = array(3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1)."")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+
+$len = array(3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$len = array(0);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$len = array(-2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).", ".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+
+
+$str = array("ala portokala");
+$repl = "bala ";
+$start = 4;
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = 4;
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = 4;
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = 4;
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = 4;
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = 4;
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = 4;
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+
+
+$str = array("ala portokala");
+$repl = "bala ";
+$start = array(4);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4);
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4);
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4);
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4);
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala");
+$repl = "bala ";
+$start = array(4,2);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = 3;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = 0;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = -2;
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(0);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(0);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(-2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(-2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(3,2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start))."\n";
+echo "\n";
+echo "\n";
+
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(3,2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(3,2);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(0,0);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(0,0);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+$str = array("ala portokala", "try this");
+$repl = array("bala ");
+$start = array(4,2);
+$len = array(-2,-3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+echo "\n";
+
+
+$str = array("ala portokala", "try this");
+$repl = "bala ";
+$start = array(4,2);
+$len = array(-2,-3);
+echo str_replace("\n","","substr_replace(".var_export($str,1).", ".var_export($repl,1).",".var_export($start,1).", ".var_export($len,1).")")."\n";
+var_dump(substr_replace($str, $repl, $start, $len))."\n";
+echo "\n";
+
+
+
+
+?>
+--EXPECT--
+substr_replace('try this', 'bala ', 2)
+string(7) "trbala "
+
+substr_replace('try this', 'bala ', 2, 3)
+string(10) "trbala his"
+
+substr_replace('try this', 'bala ', 2, 0)
+string(13) "trbala y this"
+
+substr_replace('try this', 'bala ', 2, -2)
+string(9) "trbala is"
+
+
+
+substr_replace('try this', array (  0 => 'bala ',), 4
+string(9) "try bala "
+
+substr_replace('try this', array (  0 => 'bala ',), 4
+string(10) "try bala s"
+
+
+
+
+substr_replace(array (  0 => 'ala portokala',), array (  0 => 'bala ',), array (  0 => 4,)
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+substr_replace(array (  0 => 'ala portokala',), array (  0 => 'bala ',), array (  0 => 4,), array (  0 => 3,))
+array(1) {
+  [0]=>
+  string(15) "ala bala tokala"
+}
+
+substr_replace(array (  0 => 'ala portokala',), array (  0 => 'bala ',), array (  0 => 4,), array (  0 => 0,))
+array(1) {
+  [0]=>
+  string(18) "ala bala portokala"
+}
+
+substr_replace(array (  0 => 'ala portokala',), array (  0 => 'bala ',), array (  0 => 4,), array (  0 => -2,))
+array(1) {
+  [0]=>
+  string(11) "ala bala la"
+}
+
+
+
+substr_replace(array (  0 => 'ala portokala',), 'bala ',4)
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),4, 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(5) "try s"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',4, 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(10) "try bala s"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),4, 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(8) "try this"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',4, 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(13) "try bala this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),4, -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(6) "try is"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',4, -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(11) "try bala is"
+}
+
+
+
+
+
+
+substr_replace(array (  0 => 'ala portokala',), 'bala ',array (  0 => 4,))
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,), 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(5) " this"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,), 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(10) "bala  this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,), 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(8) "try this"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,), 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(13) "bala try this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,), -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(2) "is"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,), -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(7) "bala is"
+}
+
+
+
+
+
+
+
+substr_replace(array (  0 => 'ala portokala',), 'bala ',array (  0 => 4,  1 => 2,))
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(5) "trhis"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), 3)
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(10) "trbala his"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(8) "try this"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), 0)
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(13) "trbala y this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(4) "tris"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), -2)
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(9) "trbala is"
+}
+
+
+
+
+
+
+
+substr_replace(array (  0 => 'ala portokala',), 'bala ',array (  0 => 4,  1 => 2,))
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => 3,))
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(2) "tr"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => 3,))
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(7) "trbala "
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => 0,))
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(2) "tr"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => 0,))
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(7) "trbala "
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => -2,))
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(2) "tr"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => -2,))
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(7) "trbala "
+}
+
+
+
+
+
+
+
+substr_replace(array (  0 => 'ala portokala',), 'bala ',array (  0 => 4,  1 => 2,))
+array(1) {
+  [0]=>
+  string(9) "ala bala "
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => 3,  1 => 2,))
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(6) "trthis"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => 3,  1 => 2,))
+array(2) {
+  [0]=>
+  string(15) "ala bala tokala"
+  [1]=>
+  string(11) "trbala this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => 0,  1 => 0,))
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(8) "try this"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => 0,  1 => 0,))
+array(2) {
+  [0]=>
+  string(18) "ala bala portokala"
+  [1]=>
+  string(13) "trbala y this"
+}
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), array (  0 => 'bala ',),array (  0 => 4,  1 => 2,), array (  0 => -2,  1 => -3,))
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(5) "trhis"
+}
+
+
+substr_replace(array (  0 => 'ala portokala',  1 => 'try this',), 'bala ',array (  0 => 4,  1 => 2,), array (  0 => -2,  1 => -3,))
+array(2) {
+  [0]=>
+  string(11) "ala bala la"
+  [1]=>
+  string(10) "trbala his"
+}
+