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run code in 150+ php & hhvm versions
Bugs & Features
<?php function mystr_replace($needle,$replace,$haystack){ $args = func_get_args(); $count = $args[3]; if(is_null($count)) { return str_replace($needle,$replace,$haystack); } else { return str_replace($needle,$replace,$haystack,$count); } } echo mystr_replace("fropfrop","frml","frop"); echo mystr_replace("frop","frml","frop",1);
based on GHvsX
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 3 in /in/CJhcv on line 4 fropfrml
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: 3 in /in/CJhcv on line 4 fropfrml
Output for 4.3.0 - 4.3.1, 5.0.0 - 5.2.17
Notice: Undefined offset: 3 in /in/CJhcv on line 4 fropfrml
Output for 4.3.2 - 4.4.9
Notice: Undefined offset: 3 in /in/CJhcv on line 4 frop Warning: Wrong parameter count for str_replace() in /in/CJhcv on line 8