3v4l.org

run code in 300+ PHP versions simultaneously
<?php $Z=0; echo strlen($Z);

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)
8.3.60.0060.01218.18
8.3.50.0070.01418.33
8.3.40.0110.00418.57
8.3.30.0120.00318.45
8.3.20.0000.00818.85
8.3.10.0050.00221.86
8.3.00.0060.00323.57
8.2.180.0130.00318.17
8.2.170.0070.00722.96
8.2.160.0060.00918.96
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0100.00017.63
8.2.110.0160.00620.91
8.2.100.0060.00617.84
8.2.90.0080.00017.63
8.2.80.0030.00617.97
8.2.70.0040.00417.93
8.2.60.0080.00017.93
8.2.50.0050.00318.10
8.2.40.0000.00819.30
8.2.30.0070.00019.11
8.2.20.0000.00918.05
8.2.10.0000.00719.53
8.2.00.0030.00319.46
8.1.280.0060.01225.92
8.1.270.0040.00422.15
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00322.46
8.1.230.0080.00420.96
8.1.220.0070.00018.77
8.1.210.0050.00318.77
8.1.200.0000.00917.23
8.1.190.0030.00517.25
8.1.180.0000.00918.10
8.1.170.0040.00418.69
8.1.160.0030.00618.74
8.1.150.0000.00718.82
8.1.140.0040.00419.29
8.1.130.0040.00418.96
8.1.120.0000.00717.43
8.1.110.0030.00617.38
8.1.100.0000.00717.41
8.1.90.0040.00417.29
8.1.80.0040.00417.30
8.1.70.0000.00717.45
8.1.60.0100.00217.56
8.1.50.0060.00317.47
8.1.40.0040.00417.43
8.1.30.0040.00417.62
8.1.20.0050.00317.53
8.1.10.0050.00317.39
8.1.00.0030.00517.41
8.0.300.0000.00720.03
8.0.290.0000.00716.75
8.0.280.0040.00418.35
8.0.270.0050.00217.20
8.0.260.0000.00817.16
8.0.250.0070.00016.91
8.0.240.0030.00316.96
8.0.230.0000.00716.83
8.0.220.0000.00816.86
8.0.210.0000.00716.85
8.0.200.0040.00416.76
8.0.190.0000.00816.83
8.0.180.0040.00416.77
8.0.170.0040.00416.92
8.0.160.0000.00716.80
8.0.150.0000.00716.75
8.0.140.0070.00016.78
8.0.130.0060.00013.20
8.0.120.0000.00916.79
8.0.110.0000.00716.85
8.0.100.0000.00716.88
8.0.90.0000.00716.82
8.0.80.0080.01116.82
8.0.70.0040.00416.63
8.0.60.0000.00816.83
8.0.50.0000.00816.75
8.0.30.0150.00516.89
8.0.20.0120.00917.40
8.0.10.0000.00916.98
8.0.00.0160.00416.52
7.4.330.0020.00215.55
7.4.320.0060.00016.45
7.4.300.0000.00616.50
7.4.290.0000.00716.28
7.4.280.0000.00716.51
7.4.270.0090.00016.52
7.4.260.0080.00016.41
7.4.250.0070.00016.33
7.4.240.0030.00316.43
7.4.230.0040.00416.55
7.4.220.0050.00216.55
7.4.210.0060.01116.47
7.4.200.0080.00016.53
7.4.160.0110.00816.38
7.4.140.0060.01017.86
7.4.130.0080.00916.43
7.4.120.0090.00916.44
7.4.110.0120.00616.51
7.4.100.0090.01316.57
7.4.90.0150.00316.46
7.4.80.0060.01319.39
7.4.70.0070.01016.47
7.4.60.0060.01616.32
7.4.50.0110.00416.31
7.4.40.0100.01016.36
7.4.00.0040.00714.83
7.3.330.0050.00313.02
7.3.320.0030.00313.17
7.3.310.0000.00716.29
7.3.300.0070.00016.22
7.3.290.0030.00316.13
7.3.280.0070.00716.24
7.3.260.0090.00816.25
7.3.240.0100.01216.56
7.3.230.0130.00316.24
7.3.210.0070.01016.52
7.3.200.0060.01016.14
7.3.190.0070.01016.51
7.3.180.0070.01516.25
7.3.170.0130.00316.34
7.3.160.0070.01016.28
7.3.10.0000.01516.25
7.3.00.0030.01016.71
7.2.330.0070.01016.48
7.2.320.0100.01316.55
7.2.310.0170.00316.38
7.2.300.0090.01516.52
7.2.290.0080.00816.64
7.2.130.0060.00916.84
7.2.120.0030.01016.90
7.2.110.0030.01016.65
7.2.100.0100.00616.57
7.2.90.0100.00716.58
7.2.80.0070.00716.64
7.2.70.0180.00315.43
7.2.60.0120.01015.48
7.2.50.0160.00815.59
7.2.40.0130.00915.51
7.2.30.0190.00715.60
7.2.20.0150.00715.58
7.2.10.0120.00615.53
7.2.00.0110.00815.54
7.1.250.0070.00715.76
7.1.200.0030.01015.58
7.1.170.0140.01013.63
7.1.160.0220.00513.80
7.1.150.0130.01013.87
7.1.140.0180.00713.74
7.1.130.0290.00713.53
7.1.120.0200.00613.86
7.1.110.0150.00713.90
7.1.100.0140.01213.91
7.1.90.0110.00813.94
7.1.80.0140.00513.72
7.1.70.0120.00813.85
7.1.60.0770.01331.68
7.1.50.0390.01131.77
7.1.40.0320.01431.68
7.1.30.0320.00931.91
7.1.20.0290.01331.68
7.1.10.0150.01113.49
7.1.00.0160.00613.82

preferences:
37.78 ms | 400 KiB | 5 Q