<?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";
$arr = preg_split($end_loop_regex,$endfor_str,0,PREG_SPLIT_OFFSET_CAPTURE);
print_r($arr);
//$last_end_for_pos = strrpos($return,'{% endfor %}');
//$return = substr($return,0,$last_end_for_pos);
preferences:
66.02 ms | 402 KiB | 5 Q