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<?php $in = '“Chess helps us overcome difficulties and sufferings,” said Unnikrishnan, taking my queen. “On a chess board you are fighting. as we are also fighting the hardships in our daily life.” he said.'; $out = preg_split('/ (?=“)/', $in, 0, PREG_SPLIT_NO_EMPTY); //$out = preg_match_all('/“.+?(?= “|$)/', $in, $out) ? $out[0] : null; $find = '/[“”]/u'; // unicode flag is essential $replace = '"'; $out = preg_replace($find, $replace, $out); // replace curly quotes with standard double quotes var_export($out);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => '"Chess helps us overcome difficulties and sufferings," said Unnikrishnan, taking my queen.', 1 => '"On a chess board you are fighting. as we are also fighting the hardships in our daily life." he said.', )

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