3v4l.org

run code in 300+ PHP versions simultaneously
<?php $Z=0.2; echo strlen($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)
8.3.60.0120.00918.40
8.3.50.0100.00617.82
8.3.40.0190.00018.73
8.3.30.0030.01318.67
8.3.20.0030.00518.89
8.3.10.0040.00421.73
8.3.00.0040.00423.48
8.2.180.0040.01118.29
8.2.170.0120.00322.96
8.2.160.0130.00019.01
8.2.150.0040.00424.18
8.2.140.0020.00524.66
8.2.130.0040.00426.16
8.2.120.0080.00020.89
8.2.110.0030.00621.97
8.2.100.0000.01117.72
8.2.90.0090.00019.07
8.2.80.0000.00917.97
8.2.70.0030.00618.05
8.2.60.0000.00818.05
8.2.50.0040.00418.10
8.2.40.0040.00419.52
8.2.30.0040.00419.14
8.2.20.0000.00918.02
8.2.10.0000.00819.42
8.2.00.0000.00719.41
8.1.280.0120.00425.92
8.1.270.0040.00422.16
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0000.00823.92
8.1.230.0110.00017.70
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0030.00618.74
8.1.160.0030.00618.81
8.1.150.0000.00718.75
8.1.140.0070.00019.49
8.1.130.0000.00618.98
8.1.120.0000.00817.44
8.1.110.0090.00017.27
8.1.100.0050.00317.35
8.1.90.0000.00717.40
8.1.80.0040.00417.42
8.1.70.0000.00717.37
8.1.60.0070.00317.55
8.1.50.0060.00317.37
8.1.40.0000.00817.41
8.1.30.0030.00517.60
8.1.20.0040.00417.41
8.1.10.0030.00517.49
8.1.00.0050.00317.47
8.0.300.0100.00021.59
8.0.290.0000.00716.63
8.0.280.0030.00318.35
8.0.270.0000.00717.30
8.0.260.0030.00317.25
8.0.250.0030.00316.99
8.0.240.0070.00316.91
8.0.230.0070.00016.78
8.0.220.0000.00716.69
8.0.210.0000.00716.65
8.0.200.0070.00316.87
8.0.190.0000.00816.90
8.0.180.0070.00016.85
8.0.170.0030.00516.89
8.0.160.0000.00816.88
8.0.150.0000.00716.77
8.0.140.0000.00716.68
8.0.130.0030.00313.26
8.0.120.0070.00016.68
8.0.110.0040.00416.83
8.0.100.0000.00716.87
8.0.90.0040.00416.71
8.0.80.0070.01416.77
8.0.70.0040.00416.70
8.0.60.0050.00316.84
8.0.50.0000.00816.86
8.0.30.0120.00817.05
8.0.20.0090.01217.40
8.0.10.0050.00217.01
8.0.00.0120.00616.86
7.4.330.0040.00015.55
7.4.320.0070.00016.53
7.4.300.0070.00016.57
7.4.290.0030.00316.33
7.4.280.0050.00316.42
7.4.270.0060.00316.52
7.4.260.0070.00016.55
7.4.250.0080.00016.39
7.4.240.0000.00716.53
7.4.230.0030.00316.26
7.4.220.0040.00416.41
7.4.210.0060.01116.44
7.4.200.0000.00716.47
7.4.160.0120.00616.50
7.4.140.0090.00917.86
7.4.130.0040.01816.34
7.4.120.0100.01216.51
7.4.110.0100.00716.33
7.4.100.0100.00716.46
7.4.90.0110.01416.63
7.4.80.0090.00919.39
7.4.70.0160.00616.59
7.4.60.0130.01316.34
7.4.50.0000.01216.55
7.4.40.0200.00316.23
7.4.00.0090.00614.86
7.3.330.0080.00012.89
7.3.320.0060.00013.02
7.3.310.0000.00716.18
7.3.300.0030.00316.04
7.3.290.0030.00316.16
7.3.280.0030.01016.18
7.3.260.0100.00916.23
7.3.240.0100.01116.33
7.3.230.0070.01016.21
7.3.210.0070.01016.29
7.3.200.0100.00716.16
7.3.190.0120.00416.22
7.3.180.0090.00616.50
7.3.170.0070.01016.41
7.3.160.0090.00916.53
7.2.330.0150.00316.57
7.2.320.0070.01516.36
7.2.310.0100.00716.50
7.2.300.0060.01516.47
7.2.290.0170.00016.63
7.2.110.0100.00316.63
7.2.70.0170.01015.21
7.2.60.0330.00314.96
7.2.50.0240.01414.96
7.2.40.0190.00714.79
7.2.30.0290.00015.05
7.2.20.0330.00314.90
7.2.10.0200.00714.70
7.2.00.0230.00615.10
7.1.200.0040.00415.54
7.1.170.0250.01113.55
7.1.160.0200.00713.89
7.1.150.0200.01013.83
7.1.140.0220.00613.57
7.1.130.0190.00713.70
7.1.120.0230.00613.90
7.1.110.0190.00813.95
7.1.100.0240.01014.07
7.1.90.0210.00313.85
7.1.80.0340.00313.73
7.1.70.0140.01113.77
7.1.60.0380.00731.80
7.1.50.0460.00031.72
7.1.40.0470.00031.84
7.1.30.0330.01531.91
7.1.20.0460.00331.80
7.1.10.0330.01113.97
7.1.00.0900.01013.49

preferences:
62.83 ms | 401 KiB | 5 Q