3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "FFFFF"; $a[2] = "Q"; $a[9] = "W"; echo preg_replace("/\s/", "-", $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)
8.3.60.0150.00616.75
8.3.50.0000.01516.79
8.3.40.0070.02018.93
8.3.30.0040.01118.82
8.3.20.0040.00420.16
8.3.10.0000.00823.63
8.3.00.0040.00422.13
8.2.180.0100.01016.75
8.2.170.0070.00722.96
8.2.160.0110.00719.04
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0100.00321.05
8.2.120.0000.00826.35
8.2.110.0060.00320.45
8.2.100.0110.00017.91
8.2.90.0030.00719.70
8.2.80.0000.00819.36
8.2.70.0030.00517.63
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0030.00618.16
8.2.30.0040.00418.07
8.2.20.0000.00717.95
8.2.10.0020.00518.12
8.2.00.0000.00718.02
8.1.280.0090.00625.92
8.1.270.0090.00922.22
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00622.55
8.1.230.0040.00720.87
8.1.220.0030.00617.78
8.1.210.0050.00318.95
8.1.200.0000.00917.47
8.1.190.0030.00617.47
8.1.180.0040.00418.10
8.1.170.0000.00818.78
8.1.160.0000.00718.90
8.1.150.0040.00418.90
8.1.140.0030.00519.63
8.1.130.0030.00318.89
8.1.120.0000.00717.57
8.1.110.0070.00017.43
8.1.100.0000.00817.63
8.1.90.0040.00417.56
8.1.80.0000.00717.63
8.1.70.0040.00417.48
8.1.60.0040.00417.76
8.1.50.0000.00717.67
8.1.40.0030.00617.67
8.1.30.0040.00417.71
8.1.20.0050.00317.79
8.1.10.0090.00017.67
8.1.00.0070.00017.56
8.0.300.0060.00319.92
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0000.00717.25
8.0.260.0030.00316.90
8.0.250.0030.00317.16
8.0.240.0040.00416.99
8.0.230.0000.00717.04
8.0.220.0000.00717.00
8.0.210.0000.00817.01
8.0.200.0000.00617.08
8.0.190.0050.00316.97
8.0.180.0030.00617.02
8.0.170.0040.00417.04
8.0.160.0030.00317.06
8.0.150.0080.00016.89
8.0.140.0070.00017.00
8.0.130.0000.00513.44
8.0.120.0000.00817.04
8.0.110.0040.00416.92
8.0.100.0000.00816.88
8.0.90.0040.00417.01
8.0.80.0090.00916.97
8.0.70.0030.00516.85
8.0.60.0000.00817.09
8.0.50.0040.00417.04
8.0.30.0110.00617.11
8.0.20.0110.01017.40
8.0.10.0030.00617.19
8.0.00.0090.01016.56
7.4.330.0030.00315.55
7.4.320.0050.00316.73
7.4.300.0000.00716.81
7.4.290.0070.00016.60
7.4.280.0040.00416.74
7.4.270.0070.00016.80
7.4.260.0000.00716.58
7.4.250.0020.00516.66
7.4.240.0040.00416.81
7.4.230.0030.00316.66
7.4.220.0150.00616.88
7.4.210.0070.01016.84
7.4.200.0000.00716.89
7.4.160.0020.01416.73
7.4.150.0070.01017.40
7.4.140.0110.00817.86
7.4.130.0000.01716.70
7.4.120.0100.01116.67
7.4.110.0100.00616.74
7.4.100.0090.00816.52
7.4.90.0110.00516.78
7.4.80.0160.00019.39
7.4.70.0130.00316.63
7.4.60.0060.01016.63
7.4.50.0100.00716.66
7.4.40.0000.01716.55
7.4.30.0090.00916.71
7.4.00.0070.01115.23
7.3.330.0070.00013.24
7.3.320.0050.00013.23
7.3.310.0070.00016.43
7.3.300.0000.00616.31
7.3.290.0030.00516.40
7.3.280.0090.00716.39
7.3.270.0140.00317.40
7.3.260.0060.01616.50
7.3.250.0130.00716.57
7.3.240.0110.01016.56
7.3.230.0150.00616.42
7.3.210.0040.01216.85
7.3.200.0050.01316.65
7.3.190.0120.00416.84
7.3.180.0150.00616.70
7.3.170.0060.00916.62
7.3.160.0070.01016.60
7.2.330.0070.01016.86
7.2.320.0070.01316.81
7.2.310.0090.01316.69
7.2.300.0130.01016.72
7.2.290.0110.00816.59
7.2.60.0110.00417.00
7.2.00.0000.01319.41
7.1.200.0080.00415.93
7.1.100.0040.01118.38
7.1.70.0070.01217.48
7.1.60.0270.01935.48
7.1.50.0290.01335.06
7.1.40.0230.02034.46
7.1.30.0270.01434.69
7.1.20.0250.01634.80
7.1.10.0090.01116.65
7.1.00.0070.01416.89
7.0.200.0070.01517.02
7.0.190.0090.01616.66
7.0.180.0040.01616.58
7.0.170.0160.00316.50
7.0.160.0090.00816.35
7.0.150.0140.00716.45
7.0.140.0060.01516.59
7.0.130.0130.00916.55
7.0.120.0110.01216.94
7.0.110.0060.01516.43
7.0.100.0030.01716.52
7.0.90.0070.01316.42
7.0.80.0090.01016.49
7.0.70.0080.00816.62
7.0.60.0060.00916.48
7.0.50.0080.00916.45
7.0.40.0060.01216.57
7.0.30.0140.00716.71
7.0.20.0110.00516.38
7.0.10.0030.01316.62
7.0.00.0060.01016.65

preferences:
48.77 ms | 400 KiB | 5 Q