3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $exp = '/[\s\S]*\{%[\s\S]*for[\s\S]*ad[\s\S]*in[\s\S]*ads[\s\S]*%\}/'; $string = "{% for ad in ads %} sdfksjf {% for ad in ads %} sdfksjf2 {% for ad in ads %} sdfksjf3"; /* function str_lreplace($search, $replace, $subject) { return preg_replace('~(.*)' . preg_quote($search, '~') . '~', '$1' . $replace, $subject, 1); } echo str_lreplace($exp,'',$string); */ $end_loop_regex = '/[\.\s\S]*\{%[\s\S]*endfor[\s\S]*%\}/'; $endfor_str = "{% endfor%}1 {% endfor %}2 {%endfor%}3 {% endfor%}4"; $arr = preg_grep($end_loop_regex,$endfor_str,PREG_SPLIT_OFFSET_CAPTURE); print_r($arr); //$last_end_for_pos = strrpos($return,'{% endfor %}'); //$return = substr($return,0,$last_end_for_pos);
Output for 5.2.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Warning: preg_grep() expects parameter 2 to be array, string given in /in/oaSq2 on line 15
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.11 - 5.0.5, 5.1.1 - 5.1.6
Warning: preg_grep(): Second argument to preg_grep() should be an array in /in/oaSq2 on line 15
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/oaSq2 on line 25
Process exited with code 255.
Output for 4.3.0 - 4.3.10
Warning: Second argument to preg_grep() should be an array in /in/oaSq2 on line 15