3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "FFFFF"; $a[2] = "Q"; $a[9] = "W"; echo $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)
8.3.60.0160.00616.63
8.3.50.0120.00316.21
8.3.40.0100.01318.64
8.3.30.0110.00418.89
8.3.20.0000.00720.25
8.3.10.0040.00423.66
8.3.00.0040.00421.82
8.2.180.0070.01016.38
8.2.170.0040.01122.96
8.2.160.0110.00718.93
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0100.00321.01
8.2.120.0080.00026.35
8.2.110.0030.00622.13
8.2.100.0090.00317.78
8.2.90.0040.00419.05
8.2.80.0080.00018.05
8.2.70.0030.00617.63
8.2.60.0050.00217.80
8.2.50.0000.00818.10
8.2.40.0040.00420.59
8.2.30.0040.00420.90
8.2.20.0000.00718.11
8.2.10.0070.00018.14
8.2.00.0040.00418.08
8.1.280.0150.00025.92
8.1.270.0150.00422.05
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00320.91
8.1.230.0070.00418.81
8.1.220.0090.00017.79
8.1.210.0000.00818.77
8.1.200.0060.00617.35
8.1.190.0000.00917.22
8.1.180.0000.00718.10
8.1.170.0040.00418.88
8.1.160.0030.00319.04
8.1.150.0040.00420.65
8.1.140.0030.00519.56
8.1.130.0000.00718.80
8.1.120.0030.00317.36
8.1.110.0040.00417.30
8.1.100.0000.00817.43
8.1.90.0060.00317.38
8.1.80.0030.00317.39
8.1.70.0080.00017.45
8.1.60.0080.00017.60
8.1.50.0030.00617.50
8.1.40.0000.00817.47
8.1.30.0000.00817.55
8.1.20.0050.00317.65
8.1.10.0000.00917.38
8.1.00.0040.00417.41
8.0.300.0040.00420.04
8.0.290.0070.00016.75
8.0.280.0040.00418.46
8.0.270.0040.00317.24
8.0.260.0030.00316.83
8.0.250.0070.00016.82
8.0.240.0040.00416.98
8.0.230.0000.00717.01
8.0.220.0080.00016.89
8.0.210.0070.00016.89
8.0.200.0030.00316.95
8.0.190.0080.00016.92
8.0.180.0090.00316.93
8.0.170.0030.00316.78
8.0.160.0070.00016.77
8.0.150.0070.00016.84
8.0.140.0000.00716.90
8.0.130.0000.00513.26
8.0.120.0070.00016.91
8.0.110.0070.00016.66
8.0.100.0040.00416.87
8.0.90.0040.00416.70
8.0.80.0070.01116.87
8.0.70.0000.00816.86
8.0.60.0040.00416.82
8.0.50.0070.00016.75
8.0.30.0050.01317.18
8.0.20.0120.00917.40
8.0.10.0000.00716.93
8.0.00.0080.01216.73
7.4.330.0000.00715.55
7.4.320.0050.00216.59
7.4.300.0000.00816.50
7.4.290.0030.00316.51
7.4.280.0050.00316.56
7.4.270.0080.00016.63
7.4.260.0070.00016.48
7.4.250.0030.00516.55
7.4.240.0000.00716.46
7.4.230.0000.00716.63
7.4.220.0100.00716.53
7.4.210.0160.00316.46
7.4.200.0000.00716.57
7.4.160.0080.00816.56
7.4.150.0070.01017.40
7.4.140.0110.00617.86
7.4.130.0070.01016.39
7.4.120.0140.00916.40
7.4.110.0030.01316.39
7.4.100.0100.00716.48
7.4.90.0100.00716.52
7.4.80.0060.00919.39
7.4.70.0130.00616.59
7.4.60.0130.00316.34
7.4.50.0080.00416.42
7.4.40.0070.01016.36
7.4.30.0120.00616.67
7.4.00.0070.01114.90
7.3.330.0030.00313.00
7.3.320.0050.00013.30
7.3.310.0030.00316.25
7.3.300.0030.00316.25
7.3.290.0030.00316.39
7.3.280.0070.01016.33
7.3.270.0000.01817.40
7.3.260.0100.00816.36
7.3.250.0080.00916.42
7.3.240.0080.00916.27
7.3.230.0320.02816.31
7.3.210.0080.00816.36
7.3.200.0090.00616.36
7.3.190.0130.00316.39
7.3.180.0060.01016.29
7.3.170.0000.01616.28
7.3.160.0100.00616.58
7.3.10.0130.00016.56
7.3.00.0030.00616.75
7.2.330.0130.00416.44
7.2.320.0100.01016.61
7.2.310.0070.01016.66
7.2.300.0120.00616.50
7.2.290.0070.01516.48
7.2.130.0090.00616.99
7.2.120.0060.00616.99
7.2.110.0030.00716.94
7.2.100.0060.00616.88
7.2.90.0000.01516.60
7.2.80.0060.00916.72
7.2.70.0000.01417.06
7.2.60.0050.00816.85
7.2.50.0100.00717.01
7.2.40.0030.01416.88
7.2.30.0060.00916.95
7.2.20.0090.00616.91
7.2.10.0060.00316.82
7.2.00.0030.01118.06
7.1.250.0060.00315.65
7.1.200.0040.00715.53
7.1.100.0030.00617.87
7.1.70.0070.00717.03
7.1.60.0190.01035.10
7.1.50.0180.01234.52
7.1.40.0150.01834.25
7.1.30.0170.01334.54
7.1.20.0110.02134.50
7.1.10.0160.00316.30
7.1.00.0040.01116.49
7.0.200.0080.00716.73
7.0.190.0120.00616.82
7.0.180.0090.00916.45
7.0.170.0000.01315.99
7.0.160.0140.00716.30
7.0.150.0060.01316.28
7.0.140.0030.01316.27
7.0.130.0100.01016.39
7.0.120.0070.01316.47
7.0.110.0030.01716.18
7.0.100.0000.01816.48
7.0.90.0110.00816.11
7.0.80.0030.01416.16
7.0.70.0060.01515.96
7.0.60.0070.01315.97
7.0.50.0070.00716.29
7.0.40.0120.00316.58
7.0.30.0060.01316.30
7.0.20.0130.00716.38
7.0.10.0090.00616.27
7.0.00.0040.01416.11

preferences:
40.57 ms | 401 KiB | 5 Q