3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Setup $count = 1000; function camelcaseCurrent($file) { $r1 = ucwords(str_replace(array('_', '-', '/'), ' ', $file)); $r2 = str_replace(' ', '', $r1); return $r2; } function camelcaseNew($file) { $file = str_replace('_', ' ', $file); $file = str_replace('-', ' ', $file); $file = str_replace('/', ' ', $file); $r1 = ucwords($file); $r2 = str_replace(' ', '', $r1); return $r2; } // Warm up for($i = 0; $i < $count; $i++) { camelcaseCurrent('asset_library'); camelcaseNew('asset_library'); } // Test - current $t0 = microtime(true); for($i = 0; $i < $count; $i++) { camelcaseCurrent('asset_library'); } $deltaCurrent = microtime(true) - $t0; // Test - new $t0 = microtime(true); for($i = 0; $i < $count; $i++) { camelcaseNew('asset_library'); } $deltaNew = microtime(true) - $t0; echo "case current: ", round($deltaCurrent * 1000, 2), " ms\n"; echo "case new: ", round($deltaNew * 1000, 2), " ms\n"; echo "new gain: ", round($deltaNew * 100 / $deltaCurrent - 100, 2), " %\n";

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.3.10.0090.01316.69
7.3.00.0040.01116.48
7.2.130.0130.00316.80
7.2.120.0000.01417.05
7.2.110.0100.00616.74
7.2.100.0000.01816.77
7.2.90.0090.00916.91
7.2.80.0060.01417.13
7.2.70.0030.01316.99
7.2.60.0060.00916.97
7.2.50.0070.00717.06
7.2.40.0060.00917.02
7.2.30.0060.01217.02
7.2.20.0040.01116.80
7.2.10.0090.00616.68
7.2.00.0030.01018.22
7.1.250.0030.01215.75
7.1.70.0070.00317.26
7.1.60.0130.01319.82
7.1.50.0070.01116.93
7.1.00.0070.07722.27
7.0.200.0000.00916.87
7.0.140.0100.07021.93
7.0.60.0130.05720.05
7.0.50.0070.07717.91
7.0.40.0100.06020.10
7.0.30.0330.03720.10
7.0.20.0230.04720.16
7.0.10.0300.07020.08
7.0.00.0030.07720.09
5.6.280.0130.07321.00
5.6.210.0030.09020.55
5.6.200.0070.09018.19
5.6.190.0070.09320.52
5.6.180.0200.04320.45
5.6.170.0300.08020.62
5.6.160.0000.05720.53
5.6.150.0130.03318.29
5.6.140.0070.04018.21
5.6.130.0130.04318.24
5.6.120.0070.09320.90
5.6.110.0100.07320.97
5.6.100.0130.05320.99
5.6.90.0070.09020.96
5.6.80.0100.06320.44
5.6.70.3870.05020.40
5.5.350.0330.06020.43
5.5.340.0030.05718.07
5.5.330.0130.08320.40
5.5.320.0030.09320.34
5.5.310.0200.04720.25
5.5.300.0100.08317.95
5.5.290.0100.08318.02
5.5.280.0130.08720.91
5.5.270.0100.09020.84
5.5.260.0230.07320.80
5.5.250.0070.09020.63
5.5.240.0100.07720.25
5.4.450.0830.07319.20
5.4.440.0670.07719.42
5.4.430.0100.06019.64
5.4.420.0130.05719.48
5.4.410.0200.05718.96
5.4.400.0370.05718.82
5.4.390.0130.06318.54
5.4.380.0230.06318.71
5.4.370.0070.06318.74
5.4.360.0100.06018.59
5.4.350.0070.04212.03
5.4.340.0100.03712.02
5.4.320.0060.05112.52
5.4.310.0080.05212.51
5.4.300.0080.04612.52
5.4.290.0070.04512.51
5.4.280.0060.05712.41
5.4.270.0110.04712.41
5.4.260.0070.08018.80
5.4.250.0170.07318.78
5.4.240.0030.08718.63
5.4.230.0070.07318.90
5.4.220.0100.06018.91
5.4.210.0100.08718.86
5.4.200.0130.05318.93
5.4.190.0130.05318.70
5.4.180.0100.08018.93
5.4.170.0030.09018.85
5.4.160.0070.06318.65
5.4.150.0070.06318.75
5.4.140.0330.06016.51
5.4.130.0130.05016.50
5.4.120.0100.05316.50
5.4.110.0070.05716.36
5.4.100.0070.05716.53
5.4.90.0030.05716.50
5.4.80.0130.05316.49
5.4.70.0030.05716.32
5.4.60.0030.06016.45
5.4.50.0170.05316.41
5.4.40.0130.05316.42
5.4.30.0070.06016.42
5.4.20.0130.04716.24
5.4.10.0070.05716.33
5.4.00.0130.07715.92
5.3.290.0070.05212.80
5.3.280.0130.05714.52
5.3.270.0170.06714.53
5.3.260.0130.06014.51
5.3.250.0200.05714.64
5.3.240.0000.06714.62
5.3.230.0130.05314.84
5.3.220.0130.05014.71
5.3.210.0100.05714.73
5.3.200.0070.06014.58
5.3.190.0030.09014.73
5.3.180.0130.05014.71
5.3.170.0100.05714.73
5.3.160.0130.05014.73
5.3.150.0100.05714.72
5.3.140.0070.05714.70
5.3.130.0000.07714.55
5.3.120.0070.06314.61
5.3.110.0000.06714.60
5.3.100.0170.05314.20
5.3.90.0200.05714.25
5.3.80.0170.06013.93
5.3.70.0070.07314.22
5.3.60.0170.05313.92
5.3.50.0030.06013.79
5.3.40.0170.05313.93
5.3.30.0070.06313.95
5.3.20.0100.06013.89
5.3.10.0070.05713.88
5.3.00.0130.07713.73
5.2.170.0070.05311.12
5.2.160.0170.06311.18
5.2.150.0030.05711.26
5.2.140.0100.05311.50
5.2.130.0070.06711.31
5.2.120.0030.05311.18
5.2.110.0100.06311.32
5.2.100.0100.04011.08
5.2.90.0100.04311.46
5.2.80.0130.04011.25
5.2.70.0070.04711.21
5.2.60.0130.06311.26
5.2.50.0000.05311.35
5.2.40.0070.04711.21
5.2.30.0100.04311.19
5.2.20.0130.05011.28
5.2.10.0070.04711.09
5.2.00.0130.04710.84
5.1.60.0030.04310.09
5.1.50.0100.05310.08
5.1.40.0030.04310.31
5.1.30.0000.05710.56
5.1.20.0070.05710.71
5.1.10.0100.04010.23
5.1.00.0030.04310.30
5.0.50.0070.0408.93
5.0.40.0030.0378.71
5.0.30.0030.0508.26
5.0.20.0000.0408.30
5.0.10.0070.0338.21
5.0.00.0030.0538.37
4.4.90.0070.0307.48
4.4.80.0030.0307.48
4.4.70.0030.0337.48
4.4.60.0070.0377.48
4.4.50.0000.0537.48
4.4.40.0070.0507.48
4.4.30.0000.0377.48
4.4.20.0070.0277.48
4.4.10.0070.0407.48
4.4.00.0000.0477.48
4.3.110.0070.0277.48
4.3.100.0030.0307.48
4.3.90.0030.0477.48
4.3.80.0000.0477.48
4.3.70.0070.0277.48
4.3.60.0030.0307.48
4.3.50.0000.0337.48
4.3.40.0070.0437.48
4.3.30.0000.0337.48
4.3.20.0030.0307.48
4.3.10.0030.0307.48
4.3.00.0130.0306.88

preferences:
39.17 ms | 401 KiB | 5 Q