3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value_pattern = "\"(?:[^\"]|\")*\""; $variable_pattern = '\w+ *\= *' . $value_pattern; $block_pattern = "\[(?:[/]|\w)+(?: +' . $variable_pattern . ')*\]"; $input = 'Some text broken by an [img src="resx/img.jpg" alt="" full] and more text below.'; echo $block_pattern; $tokens = preg_split('/'.$block_pattern.'/', $input, -1, PREG_SPLIT_DELIM_CAPTURE);

preferences:
27.7 ms | 402 KiB | 5 Q