3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a ="NewYorkNewYork"; $reg="/[a-z]([A-Z])/"; echo preg_replace($reg, "$1", $a);

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)
8.5.10.0100.00816.94
8.5.00.0140.00820.02
8.4.150.0030.00014.05
8.4.140.0130.00817.47
8.4.130.0150.00619.50
8.4.120.0130.00720.60
8.4.110.0110.01222.37
8.4.100.0060.00420.53
8.4.90.0050.01018.75
8.4.80.0050.00418.90
8.4.70.0040.00418.13
8.4.60.0080.00120.81
8.4.50.0080.01018.79
8.4.40.0100.01017.95
8.4.30.0160.00320.29
8.4.20.0190.00018.75
8.4.10.0050.00519.85
8.3.280.0180.00918.63
8.3.270.0090.01116.36
8.3.260.0090.00716.40
8.3.250.0110.00818.75
8.3.240.0100.01017.08
8.3.230.0100.01016.82
8.3.220.0060.00218.83
8.3.210.0120.00816.80
8.3.200.0130.00616.76
8.3.190.0150.00417.04
8.3.180.0080.00816.60
8.3.170.0110.00720.68
8.3.160.0100.01017.05
8.3.150.0040.00417.05
8.3.140.0040.00418.35
8.3.130.0050.00318.65
8.3.120.0060.01220.79
8.3.110.0030.00616.75
8.3.100.0130.00718.24
8.3.90.0140.00726.77
8.3.80.0040.00716.50
8.3.70.0110.00718.16
8.3.60.0140.00716.50
8.3.50.0040.01118.27
8.3.40.0110.00419.11
8.3.30.0120.00318.98
8.3.20.0040.00424.18
8.3.10.0050.00224.66
8.3.00.0080.00026.16
8.2.290.0120.00620.32
8.2.280.0100.00618.56
8.2.270.0130.00717.26
8.2.260.0170.00018.61
8.2.250.0050.00316.68
8.2.240.0090.00018.94
8.2.230.0060.00320.94
8.2.220.0060.00337.54
8.2.210.0050.00326.77
8.2.200.0030.00618.66
8.2.190.0120.00316.58
8.2.180.0130.00325.92
8.2.170.0090.00619.21
8.2.160.0100.00622.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.73
8.2.110.0030.00622.39
8.2.100.0100.00317.84
8.2.90.0000.00817.88
8.2.80.0040.00418.90
8.2.70.0040.00417.93
8.2.60.0000.00918.09
8.2.50.0000.00818.10
8.2.40.0040.00421.23
8.2.30.0090.00019.15
8.2.20.0030.00517.96
8.2.10.0040.00419.09
8.2.00.0000.00719.08
8.1.330.0120.00722.19
8.1.320.0130.00616.09
8.1.310.0050.00320.28
8.1.300.0120.00620.40
8.1.290.0030.00630.84
8.1.280.0090.00925.92
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00322.02
8.1.230.0080.00317.83
8.1.220.0040.00417.80
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0030.00617.13
8.1.180.0000.00818.10
8.1.170.0040.00418.75
8.1.160.0050.00218.76
8.1.150.0030.00318.85
8.1.140.0040.00418.81
8.1.130.0030.00320.02
8.1.120.0040.00417.55
8.1.110.0040.00417.46
8.1.100.0000.00717.44
8.1.90.0030.00517.46
8.1.80.0030.00617.59
8.1.70.0000.00817.46
8.1.60.0050.00317.71
8.1.50.0030.00717.54
8.1.40.0000.00817.62
8.1.30.0030.00617.66
8.1.20.0040.00417.73
8.1.10.0030.00617.59
8.1.00.0000.00917.64
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.47
8.0.270.0000.00716.84
8.0.260.0040.00418.57
8.0.250.0030.00317.13
8.0.240.0040.00417.05
8.0.230.0030.00317.05
8.0.220.0000.00716.99
8.0.210.0030.00316.93
8.0.200.0060.00017.00
8.0.190.0090.00017.05
8.0.180.0000.00816.93
8.0.170.0030.00516.90
8.0.160.0040.00417.05
8.0.150.0000.00716.80
8.0.140.0030.00316.84
8.0.130.0050.00013.40
8.0.120.0040.00416.86
8.0.110.0050.00216.88
8.0.100.0040.00416.84
8.0.90.0040.00416.97
8.0.80.0040.01116.91
8.0.70.0030.00517.00
8.0.60.0070.00016.82
8.0.50.0070.00016.86
8.0.30.0020.01416.92
8.0.20.0060.01116.97
8.0.10.0100.01317.01
8.0.00.0100.00917.07
7.4.330.0030.00315.55
7.4.320.0000.00616.54
7.4.300.0090.00016.54
7.4.290.0040.00416.59
7.4.280.0040.00416.69
7.4.270.0030.00516.64
7.4.260.0070.00016.61
7.4.250.0030.00316.63
7.4.240.0040.00416.66
7.4.230.0070.00016.57
7.4.220.0030.00416.56
7.4.210.0120.00616.72
7.4.200.0000.00716.82
7.4.160.0080.00816.70
7.4.150.0130.00416.74
7.4.140.0080.01316.78
7.4.130.0080.01016.70
7.4.120.0110.00816.64
7.4.110.0070.01016.73
7.4.100.0080.00816.76
7.4.90.0080.01116.67
7.4.80.0070.01316.70
7.4.70.0110.00716.68
7.4.60.0050.01216.65
7.4.50.0070.00916.57
7.4.40.0140.00816.60
7.4.30.0120.00516.71
7.4.20.0120.00716.65
7.4.10.0140.00916.52
7.4.00.0100.01016.67
7.3.330.0030.00316.21
7.3.320.0000.00513.12
7.3.310.0000.00616.26
7.3.300.0000.00716.33
7.3.290.0060.00916.32
7.3.270.0070.01016.32
7.3.260.0080.01216.30
7.3.250.0060.01516.29
7.3.240.0060.01016.27
7.3.230.0070.01216.28
7.3.220.0070.01216.23
7.3.210.0110.01116.18
7.3.200.0080.01016.24
7.3.190.0040.01216.27
7.3.180.0060.01216.25
7.3.170.0100.00716.25
7.3.160.0080.01216.19
7.3.150.0050.01216.21
7.3.140.0060.01216.27
7.3.130.0090.00916.20
7.3.120.0060.01516.30
7.3.110.0080.01316.16
7.3.100.0060.00916.17
7.3.90.0100.00816.63
7.3.80.0080.01316.27
7.3.70.0080.00916.37
7.3.60.0080.00816.45
7.3.50.0100.00816.45
7.3.40.0090.00816.49
7.3.30.0110.00616.44
7.3.20.0120.00816.51
7.3.10.0060.01216.42
7.3.00.0090.01016.37

preferences:
164.92 ms | 403 KiB | 5 Q