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<?php function snakeToCamel($text, $firstUpper = true) { $regex = '/('; if ($firstUpper) { $regex .= '^|'; } $regex .= '_)([a-z])/e'; return preg_replace($regex, "strtoupper('\\2')", $text); } echo snakeToCamel('testFooBar');
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/tRnnF on line 11
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/tRnnF on line 11 TestFooBar

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