3v4l.org

run code in 300+ PHP versions simultaneously
<?php function toCamelCase($word) { return lcfirst(str_replace(" ", "", ucwords(strtr($word, "_", "")))); } echo toCamelCase("event_camel_case") . PHP_EOL; echo toCamelCase("event") . PHP_EOL;

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)
8.3.60.0040.01218.56
8.3.50.0110.00718.08
8.3.40.0070.00718.71
8.3.30.0110.00418.69
8.3.20.0080.00018.92
8.3.10.0050.00320.81
8.3.00.0050.00318.04
8.2.180.0070.01016.50
8.2.170.0070.01422.96
8.2.160.0110.00319.04
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00317.90
8.2.120.0040.00426.35
8.2.110.0060.00322.30
8.2.100.0110.00017.72
8.2.90.0040.00417.63
8.2.80.0030.00618.79
8.2.70.0040.00417.80
8.2.60.0000.00917.91
8.2.50.0080.00018.10
8.2.40.0000.00820.89
8.2.30.0040.00419.32
8.2.20.0060.00317.98
8.2.10.0050.00317.94
8.2.00.0020.00520.96
8.1.280.0140.00725.92
8.1.270.0060.00323.96
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00423.91
8.1.230.0090.00319.21
8.1.220.0080.00018.52
8.1.210.0000.00818.77
8.1.200.0080.00017.25
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0000.00918.57
8.1.160.0000.00718.86
8.1.150.0040.00418.70
8.1.140.0040.00417.55
8.1.130.0040.00418.86
8.1.120.0090.00017.40
8.1.110.0050.00317.41
8.1.100.0000.00717.45
8.1.90.0000.01017.47
8.1.80.0060.00317.45
8.1.70.0040.00417.28
8.1.60.0050.00317.42
8.1.50.0000.00817.51
8.1.40.0040.00417.36
8.1.30.0100.00317.61
8.1.20.0040.00417.45
8.1.10.0040.00417.49
8.1.00.0040.00417.25
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0000.00718.43
8.0.270.0030.00517.07
8.0.260.0030.00317.11
8.0.250.0000.00816.87
8.0.240.0080.00016.95
8.0.230.0030.00716.91
8.0.220.0030.00316.82
8.0.210.0060.00016.70
8.0.200.0000.00716.82
8.0.190.0030.00616.79
8.0.180.0000.00916.89
8.0.170.0000.00916.74
8.0.160.0060.00316.90
8.0.150.0070.00016.80
8.0.140.0080.00016.80
8.0.130.0000.00613.20
8.0.120.0000.00716.78
8.0.110.0000.00716.88
8.0.100.0000.00716.83
8.0.90.0080.00016.73
8.0.80.0050.01316.78
8.0.70.0030.00516.79
8.0.60.0000.00816.80
8.0.50.0050.00316.63
8.0.30.0080.01017.04
8.0.20.0100.00817.40
8.0.10.0070.00016.71
8.0.00.0060.01216.72
7.4.330.0030.00315.55
7.4.320.0030.00316.45
7.4.300.0000.00716.55
7.4.290.0090.00316.42
7.4.280.0040.00416.44
7.4.270.0000.00716.42
7.4.260.0070.00016.38
7.4.250.0030.00316.50
7.4.240.0030.00516.45
7.4.230.0000.00716.32
7.4.220.0030.00516.57
7.4.210.0080.00616.50
7.4.200.0070.00016.65
7.4.160.0070.01016.51
7.4.140.0110.00917.86
7.4.130.0060.01216.33
7.4.120.0100.01116.47
7.4.110.0090.00916.47
7.4.100.0030.01316.63
7.4.90.0100.01316.42
7.4.80.0150.00319.39
7.4.70.0060.01116.60
7.4.60.0040.01116.18
7.4.50.0000.01216.40
7.4.40.0100.00616.49
7.4.00.0070.00714.97
7.3.330.0000.00513.22
7.3.320.0030.00313.20
7.3.310.0030.00316.14
7.3.300.0000.00816.16
7.3.290.0000.00616.16
7.3.280.0070.00816.27
7.3.260.0090.00916.27
7.3.240.0130.00416.33
7.3.230.0110.00716.38
7.3.210.0090.00916.29
7.3.200.0030.01316.10
7.3.190.0060.01216.56
7.3.180.0060.00916.27
7.3.170.0060.00916.35
7.3.160.0070.01016.31
7.2.330.0160.00716.68
7.2.320.0100.01316.40
7.2.310.0120.00616.39
7.2.300.0090.01216.28
7.2.290.0110.00716.42
7.2.60.1130.00715.11
7.2.50.7790.00914.95
7.2.40.0120.01015.25
7.2.30.6860.01215.38
7.2.20.0100.01015.35
7.2.10.0150.01015.31
7.2.00.8590.01015.32
7.1.200.0080.01115.47
7.1.170.0140.00713.93
7.1.160.0130.01416.58
7.1.150.0470.01216.52
7.1.140.0460.01016.67
7.1.130.6310.01516.84
7.1.120.6070.01216.73
7.1.110.0130.01516.13
7.1.100.0540.01516.24
7.1.90.0230.01615.93
7.1.80.4450.01516.19
7.1.70.0140.01615.14
7.1.60.4550.01632.88
7.1.50.0890.01332.98
7.1.40.0370.01432.69
7.1.30.0370.02032.52
7.1.20.0370.01632.57
7.1.10.8870.01414.75
7.1.01.0400.01214.70

preferences:
53.13 ms | 400 KiB | 5 Q