3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strlen(0)); var_dump(strlen(0.0)); var_dump(strlen(null)); var_dump(strlen(false)); var_dump(strlen([]));

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)
8.3.120.0030.00618.79
8.3.110.0120.00820.94
8.3.100.0060.00318.56
8.3.90.0130.00726.77
8.3.80.0060.00318.43
8.3.70.0110.00418.41
8.3.60.0050.01018.43
8.3.50.0160.00521.93
8.3.40.0070.01518.79
8.3.30.0110.00418.72
8.3.20.0040.00419.69
8.3.10.0040.00422.09
8.3.00.0080.00023.66
8.2.240.0030.00618.78
8.2.230.0090.00022.58
8.2.220.0060.00337.54
8.2.210.0140.00026.77
8.2.200.0060.00316.63
8.2.190.0040.01416.63
8.2.180.0130.00616.75
8.2.170.0140.00722.96
8.2.160.0070.00720.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0090.00620.47
8.2.120.0040.00426.35
8.2.110.0030.00621.94
8.2.100.0120.00017.72
8.2.90.0000.00819.21
8.2.80.0050.00317.97
8.2.70.0080.00017.48
8.2.60.0110.00017.80
8.2.50.0050.00319.28
8.2.40.0040.00420.63
8.2.30.0000.00720.48
8.2.20.0000.00718.09
8.2.10.0030.00618.08
8.2.00.0070.00018.01
8.1.300.0120.00617.71
8.1.290.0060.00330.84
8.1.280.0130.01025.92
8.1.270.0040.00423.97
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00320.96
8.1.230.0090.00617.42
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0050.00318.59
8.1.160.0050.00318.72
8.1.150.0040.00420.30
8.1.140.0000.00719.39
8.1.130.0030.00517.27
8.1.120.0030.00517.33
8.1.110.0070.00017.30
8.1.100.0040.00417.31
8.1.90.0050.00217.31
8.1.80.0030.00617.38
8.1.70.0070.00017.25
8.1.60.0030.00617.43
8.1.50.0080.00017.44
8.1.40.0040.00417.34
8.1.30.0070.00017.63
8.1.20.0000.00817.56
8.1.10.0070.00017.44
8.1.00.0040.00417.29
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0030.00318.38
8.0.270.0040.00416.70
8.0.260.0000.00618.72
8.0.250.0050.00216.80
8.0.240.0060.00316.93
8.0.230.0070.00016.86
8.0.220.0040.00416.77
8.0.210.0000.00716.95
8.0.200.0030.00316.86
8.0.190.0050.00516.83
8.0.180.0030.00316.85
8.0.170.0000.01116.84
8.0.160.0040.00416.94
8.0.150.0040.00416.83
8.0.140.0000.00716.86
8.0.130.0030.00313.24
8.0.120.0030.00616.73
8.0.110.0000.00716.79
8.0.100.0050.00216.87
8.0.90.0040.00416.98
8.0.80.0060.01016.94
8.0.70.0030.00516.75
8.0.60.0080.00016.91
8.0.50.0040.00416.73
8.0.30.0070.01217.12
8.0.20.0110.00817.40
8.0.10.0040.00416.84
8.0.00.0140.00516.72
7.4.330.0030.00315.55
7.4.320.0000.00716.22
7.4.300.0060.00016.47
7.4.290.0030.00616.36
7.4.280.0040.00416.49
7.4.270.0030.00316.23
7.4.260.0100.00016.46
7.4.250.0000.00816.43
7.4.240.0040.00416.23
7.4.230.0000.00816.39
7.4.220.0140.00516.48
7.4.210.0120.00616.45
7.4.200.0040.00216.25
7.4.160.0090.00616.45
7.4.150.0130.00717.40
7.4.140.0080.00917.86
7.4.130.0060.01216.35
7.4.120.0090.00916.32
7.4.110.0060.01916.36
7.4.100.0070.01016.49
7.4.90.0070.01016.39
7.4.80.0030.01319.39
7.4.70.0060.00916.40
7.4.60.0030.01316.37
7.4.50.0050.00816.46
7.4.40.0100.00616.42
7.4.30.0080.00816.46
7.4.00.0040.00814.93
7.3.330.0060.00013.02
7.3.320.0050.00013.06
7.3.310.0070.00016.05
7.3.300.0000.00716.21
7.3.290.0000.00716.18
7.3.280.0080.01016.23
7.3.270.0170.00017.40
7.3.260.0120.00616.32
7.3.250.0070.00916.24
7.3.240.0100.01016.29
7.3.230.0110.00716.25
7.3.210.0090.00916.24
7.3.200.0090.00916.38
7.3.190.0040.01516.19
7.3.180.0100.00716.35
7.3.170.0070.01016.33
7.3.160.0100.00716.34
7.2.330.0100.00716.53
7.2.320.0150.00716.39
7.2.310.0120.00616.53
7.2.300.0090.00916.29
7.2.290.0060.01016.32
7.2.60.0030.01416.75
7.2.50.0140.00716.64
7.1.200.0060.00615.71
7.1.70.0040.00417.04
7.1.60.0080.00317.13
7.1.20.1730.07338.61
7.1.10.1030.07320.39
7.1.00.0070.06722.27
7.0.200.0030.01016.70
7.0.160.0170.06320.00
7.0.150.0270.05319.92
7.0.140.1130.07019.93
7.0.130.0030.06320.13
7.0.120.0400.07021.84
7.0.110.0100.07721.86
7.0.100.0300.05019.97
7.0.90.1430.07720.00
7.0.80.0070.07319.97
7.0.70.0170.07320.13
7.0.60.1830.06321.74
7.0.50.0130.06721.88
7.0.40.0100.07321.81
7.0.30.0100.05721.89
7.0.20.1700.07319.97
7.0.10.0100.07019.97
7.0.00.1300.07319.98

preferences:
63.69 ms | 403 KiB | 5 Q