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<?php $formula = "E1 + E2 + E4 + E5 + E7 + E8 + E10 + E11"; $map = array( 'Se' => 9, 'Et' => 12, 'E1' => 1, 'E2' => 8, ); $patterns = array_keys($map); $patterns = array_map(function ($v) { return "/\b$v\b/"; }, $patterns); $values = array_values($map); $replaced = preg_replace($patterns, $values, $formula); echo $replaced; //"1 + 8 + E4 + E5 + E7 + E8 + 10 + 11"
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
1 + 8 + E4 + E5 + E7 + E8 + E10 + E11
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/L7YRL on line 12
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/L7YRL on line 12
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/L7YRL on line 12
Process exited with code 255.
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199.4 ms | 401 KiB | 424 Q