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<?php $i=0; $time = microtime(true); while($i < 500) { $i++; @preg_replace('/(^|[a-z])([A-Z])/e', 'strtolower(strlen("\\1") ? "\\1_\\2" : "\\2")', 'VeryLongClassName'); } $time = microtime(true) - $time; echo '1: ' . number_format($time, 3) ."\n"; $i=0; $time = microtime(true); while($i < 500) { $i++; @preg_replace('/(?!^)[[:upper:]][[:lower:]]/', '$0', preg_replace('/(?!^)[[:upper:]]+/', '_'.'$0', 'VeryLongClassName')); } $time = microtime(true) - $time; echo '2: ' . number_format($time, 3) ."\n";
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.1 - 7.2.3, 7.2.6, 7.2.9, 7.2.12 - 7.2.13, 7.2.15 - 7.2.18, 7.2.21, 7.2.23 - 7.2.26, 7.3.0 - 7.3.4, 7.3.11, 7.3.13, 7.4.1
1: 0.001 2: 0.001
Output for 7.2.0, 7.2.4 - 7.2.5, 7.2.7 - 7.2.8, 7.2.10 - 7.2.11, 7.2.14, 7.2.19 - 7.2.20, 7.2.22, 7.3.6, 7.3.8 - 7.3.9, 7.3.12, 7.4.0
1: 0.001 2: 0.000
Output for 7.3.5, 7.3.7, 7.3.10
1: 0.000 2: 0.000
Output for 4.4.6 - 4.4.7, 5.2.4, 5.2.10, 5.5.9, 5.5.27, 5.6.7, 5.6.27, 5.6.40
1: 0.015 2: 0.003
Output for 5.2.9, 5.2.13, 5.4.1, 5.4.4, 5.5.1, 5.5.11, 5.5.16 - 5.5.17, 5.5.25, 5.5.31, 5.5.36, 5.6.1, 5.6.3, 5.6.8, 5.6.13 - 5.6.14, 5.6.21 - 5.6.22, 5.6.31 - 5.6.32, 5.6.37 - 5.6.39
1: 0.012 2: 0.003
Output for 4.4.1, 4.4.9, 5.1.1, 5.3.24, 5.4.3, 5.5.0, 5.5.2, 5.5.5, 5.5.12, 5.5.19, 5.5.21, 5.5.23, 5.5.29, 5.5.32, 5.5.34, 5.5.37, 5.6.4, 5.6.9 - 5.6.10, 5.6.23, 5.6.28, 5.6.34, 5.6.36
1: 0.013 2: 0.003
Output for 4.3.11, 5.2.12, 5.2.14, 5.3.0, 5.3.16, 5.3.18, 5.3.23, 5.3.25, 5.3.28 - 5.3.29, 5.5.3, 5.5.6 - 5.5.7, 5.5.13 - 5.5.15, 5.5.24, 5.5.26, 5.5.28, 5.5.38, 5.6.0, 5.6.2, 5.6.5, 5.6.15, 5.6.17, 5.6.19 - 5.6.20, 5.6.25 - 5.6.26, 5.6.35
1: 0.011 2: 0.003
Output for 4.3.10, 4.4.3, 4.4.5, 5.3.26 - 5.3.27, 5.4.5 - 5.4.6, 5.5.18, 5.5.20, 5.5.30, 5.5.35, 5.6.6, 5.6.12, 5.6.16, 5.6.18, 5.6.33
1: 0.014 2: 0.003
Output for 4.3.2, 4.3.5, 5.0.0 - 5.0.2, 5.1.3, 5.1.6, 5.2.2, 5.2.8, 5.3.2, 5.6.30
1: 0.013 2: 0.002
Output for 4.3.3, 4.3.8, 5.0.3 - 5.0.4, 5.2.1, 5.6.29
1: 0.014 2: 0.002
Output for 4.4.2, 4.4.4, 5.1.4 - 5.1.5, 5.2.11, 5.2.16, 5.3.1, 5.3.10, 5.5.33, 5.6.24
1: 0.012 2: 0.002
Output for 5.6.11
1: 0.020 2: 0.004
Output for 5.2.5, 5.5.4, 5.5.8, 5.5.22
1: 0.016 2: 0.003
Output for 5.5.10
1: 0.012 2: 0.004
Output for 5.4.22, 5.4.45
1: 0.030 2: 0.004
Output for 5.4.44
1: 0.037 2: 0.003
Output for 5.4.15, 5.4.43
1: 0.046 2: 0.003
Output for 5.4.7, 5.4.42
1: 0.031 2: 0.003
Output for 5.4.41
1: 0.030 2: 0.003
Output for 5.4.40
1: 0.028 2: 0.002
Output for 5.4.17, 5.4.39
1: 0.034 2: 0.003
Output for 5.4.18, 5.4.38
1: 0.034 2: 0.002
Output for 5.4.37
1: 0.022 2: 0.003
Output for 5.4.36
1: 0.030 2: 0.002
Output for 5.4.29, 5.4.35
1: 0.032 2: 0.003
Output for 5.4.30, 5.4.34
1: 0.027 2: 0.002
Output for 5.4.33
1: 0.028 2: 0.003
Output for 5.4.11, 5.4.32
1: 0.038 2: 0.002
Output for 4.3.0, 5.4.31
1: 0.017 2: 0.003
Output for 5.4.28
1: 0.023 2: 0.003
Output for 5.4.16, 5.4.27
1: 0.043 2: 0.003
Output for 5.4.26
1: 0.066 2: 0.003
Output for 5.4.25
1: 0.022 2: 0.002
Output for 5.4.24
1: 0.039 2: 0.004
Output for 5.4.23
1: 0.033 2: 0.004
Output for 5.4.21
1: 0.038 2: 0.003
Output for 5.4.20
1: 0.036 2: 0.003
Output for 5.4.19
1: 0.026 2: 0.003
Output for 5.4.14
1: 0.049 2: 0.003
Output for 5.4.13
1: 0.046 2: 0.002
Output for 5.4.12
1: 0.025 2: 0.002
Output for 5.4.10
1: 0.035 2: 0.003
Output for 5.4.9
1: 0.053 2: 0.003
Output for 5.4.8
1: 0.047 2: 0.003
Output for 5.0.5, 5.4.2
1: 0.018 2: 0.003
Output for 5.2.15, 5.4.0
1: 0.010 2: 0.003
Output for 5.3.22
1: 0.010 2: 0.054
Output for 5.3.21
1: 0.081 2: 0.002
Output for 5.3.20
1: 0.043 2: 0.002
Output for 5.3.19
1: 0.023 2: 0.002
Output for 4.3.6, 5.2.3, 5.2.6 - 5.2.7, 5.3.3, 5.3.17
1: 0.011 2: 0.002
Output for 5.3.14 - 5.3.15
1: 0.015 2: 0.004
Output for 5.2.17, 5.3.4 - 5.3.5, 5.3.13
1: 0.009 2: 0.002
Output for 4.3.7, 5.3.11 - 5.3.12
1: 0.010 2: 0.002
Output for 5.3.9
1: 0.053 2: 0.002
Output for 5.3.8
1: 0.103 2: 0.002
Output for 5.3.7
1: 0.049 2: 0.002
Output for 5.3.6
1: 0.045 2: 0.002
Output for 4.4.8, 5.2.0
1: 0.016 2: 0.002
Output for 5.1.2
1: 0.017 2: 0.002
Output for 4.3.4, 4.3.9, 5.1.0
1: 0.015 2: 0.002
Output for 4.3.1, 4.4.0
1: 0.017 2: 0.004
preferences:
246.69 ms | 401 KiB | 325 Q