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<?php $fileContent = '12em\n1.3 em'; echo preg_replace_callback('/([0-9,-\.]+)\s*(em)/', 'replace_em', $fileContent); function replace_em($value) { return $value[0] * 123; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: A non-numeric value encountered in /in/WFHVS on line 6 Warning: A non-numeric value encountered in /in/WFHVS on line 6 1476\n159.9
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: A non well formed numeric value encountered in /in/WFHVS on line 6 Notice: A non well formed numeric value encountered in /in/WFHVS on line 6 1476\n159.9
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.3.32 - 7.3.33
1476\n159.9

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253.07 ms | 404 KiB | 381 Q