3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($c = 'a'; $c <= 'z'; $c[0]++) { echo "$c\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)
8.3.60.0150.00016.88
8.3.50.0040.01116.40
8.3.40.0070.01418.98
8.3.30.0140.00018.84
8.3.20.0040.00420.07
8.3.10.0030.00621.83
8.3.00.0040.00423.48
8.2.180.0090.00616.88
8.2.170.0000.01419.08
8.2.160.0090.00622.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0000.00919.89
8.2.120.0080.00026.35
8.2.110.0070.00321.04
8.2.100.0000.01118.03
8.2.90.0000.00919.40
8.2.80.0030.00517.97
8.2.70.0000.00817.63
8.2.60.0040.00417.93
8.2.50.0070.00218.07
8.2.40.0000.00822.32
8.2.30.0040.00419.55
8.2.20.0070.00017.72
8.2.10.0040.00418.21
8.2.00.0030.00518.10
8.1.280.0070.00725.92
8.1.270.0120.00623.63
8.1.260.0090.00028.09
8.1.250.0030.00528.09
8.1.240.0050.00522.14
8.1.230.0110.00018.83
8.1.220.0000.00717.74
8.1.210.0060.00318.77
8.1.200.0030.00617.48
8.1.190.0030.00517.22
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0040.00420.68
8.1.150.0050.00218.88
8.1.140.0040.00419.67
8.1.130.0030.00517.57
8.1.120.0040.00417.46
8.1.110.0040.00417.44
8.1.100.0050.00217.50
8.1.90.0040.00417.38
8.1.80.0020.00517.49
8.1.70.0000.00717.51
8.1.60.0030.00517.59
8.1.50.0030.00517.52
8.1.40.0080.00017.51
8.1.30.0050.00317.54
8.1.20.0000.00717.68
8.1.10.0000.00717.57
8.1.00.0000.00717.40
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.45
8.0.270.0030.00317.23
8.0.260.0070.00017.26
8.0.250.0000.00716.99
8.0.240.0060.00017.01
8.0.230.0050.00317.03
8.0.220.0000.00716.98
8.0.210.0070.00016.98
8.0.200.0030.00516.95
8.0.190.0040.00417.04
8.0.180.0030.00617.05
8.0.170.0000.00816.99
8.0.160.0070.00017.00
8.0.150.0000.00716.87
8.0.140.0040.00416.97
8.0.130.0000.00613.42
8.0.120.0080.00016.96
8.0.110.0030.00516.89
8.0.100.0000.00716.80
8.0.90.0020.00516.95
8.0.80.0070.01016.96
8.0.70.0000.00716.91
8.0.60.0000.00716.83
8.0.50.0030.00616.85
8.0.30.0130.00917.14
8.0.20.0100.01017.40
8.0.10.0000.00817.13
8.0.00.0120.00916.88
7.4.330.0000.00516.67
7.4.320.0000.00616.61
7.4.300.0000.00616.50
7.4.290.0030.00316.62
7.4.280.0030.00616.45
7.4.270.0070.00016.60
7.4.260.0030.00316.45
7.4.250.0000.00716.51
7.4.240.0020.00416.57
7.4.230.0000.00716.30
7.4.220.0060.00916.59
7.4.210.0090.00716.61
7.4.200.0070.00016.63
7.4.160.0080.00816.55
7.4.150.0090.00917.40
7.4.140.0160.00317.86
7.4.130.0110.01116.61
7.4.120.0120.00616.47
7.4.110.0040.01216.53
7.4.100.0180.00616.57
7.4.90.0100.00616.51
7.4.80.0130.00719.39
7.4.70.0070.01016.46
7.4.60.0160.00316.52
7.4.50.0070.01016.52
7.4.40.0100.01016.28
7.4.30.0110.00616.64
7.4.00.0110.00415.00
7.3.330.0040.00313.27
7.3.320.0050.00013.13
7.3.310.0050.00216.32
7.3.300.0040.00416.41
7.3.290.0000.00716.37
7.3.280.0150.00616.44
7.3.270.0130.00617.40
7.3.260.0130.00416.57
7.3.250.0070.01016.25
7.3.240.0100.00716.52
7.3.230.0100.00716.39
7.3.210.0150.00616.41
7.3.200.0130.00519.39
7.3.190.0110.00516.35
7.3.180.0090.00616.30
7.3.170.0000.01516.49
7.3.160.0060.01216.45
7.2.330.0120.00916.70
7.2.320.0100.00716.44
7.2.310.0070.01016.64
7.2.300.0100.01316.43
7.2.290.0080.00816.68
7.2.60.0000.01316.73
7.2.00.0030.01219.20
7.1.200.0000.01315.96
7.1.100.0030.01018.10
7.1.70.0080.00017.27
7.1.60.0160.00619.27
7.1.50.0070.01516.72
7.1.00.0030.07322.37
7.0.200.0030.00716.80
7.0.60.0270.06321.65
7.0.50.0130.07017.84
7.0.40.0070.04020.21
7.0.30.0170.09320.02
7.0.20.0330.05720.10
7.0.10.0170.07720.03
7.0.00.0070.04720.18
5.6.280.0000.03320.92
5.6.210.0030.05020.50
5.6.200.0100.07718.22
5.6.190.0030.04320.57
5.6.180.0170.04320.64
5.6.170.0200.04720.50
5.6.160.0100.07720.32
5.6.150.0100.04718.11
5.6.140.0100.07318.09
5.6.130.0070.06718.07
5.6.120.0170.07021.14
5.6.110.0070.04021.00
5.6.100.0170.06721.08
5.6.90.0070.07720.96
5.6.80.0030.07720.47
5.5.350.0070.03320.52
5.5.340.0070.08018.02
5.5.330.0130.08020.12
5.5.320.0530.07020.41
5.5.310.0200.07720.19
5.5.300.0100.05717.94
5.5.290.0030.08717.98
5.5.280.0130.06720.96
5.5.270.0170.07020.79
5.5.260.0070.04320.83
5.5.250.0070.08720.57
5.5.240.0100.04720.34

preferences:
47.52 ms | 400 KiB | 5 Q