3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strlen(false)); var_dump(strlen(true)); var_dump(false . false);

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)
8.5.10.0090.00921.95
8.5.00.0130.00819.77
8.4.150.0020.00014.05
8.4.140.0080.01317.25
8.4.130.0110.00317.71
8.4.120.0110.00922.14
8.4.110.0120.00822.60
8.4.100.0120.00717.66
8.4.90.0050.00418.48
8.4.80.0040.00617.64
8.4.70.0130.00617.44
8.4.60.0080.01218.64
8.4.50.0050.00417.72
8.4.40.0130.00619.21
8.4.30.0130.00718.61
8.4.20.0100.01019.64
8.4.10.0060.00323.97
8.3.280.0130.00718.24
8.3.270.0120.00916.43
8.3.260.0130.00616.54
8.3.250.0140.00418.84
8.3.240.0160.00320.72
8.3.230.0100.00816.50
8.3.220.0050.00517.24
8.3.210.0140.00516.37
8.3.200.0080.01016.71
8.3.190.0060.00219.00
8.3.180.0070.01118.66
8.3.170.0060.01318.96
8.3.160.0040.00418.85
8.3.150.0060.00616.61
8.3.140.0110.00718.98
8.3.130.0030.00516.55
8.3.120.0030.00518.31
8.3.110.0030.00516.50
8.3.100.0090.00016.38
8.3.90.0050.00318.55
8.3.80.0090.00018.18
8.3.70.0060.00918.18
8.3.60.0090.00618.30
8.3.50.0130.00416.42
8.3.40.0140.00420.21
8.3.30.0100.00318.65
8.3.20.0040.00424.18
8.3.10.0000.00724.66
8.3.00.0000.00826.16
8.2.290.0100.00620.13
8.2.280.0070.00818.34
8.2.270.0140.00416.36
8.2.260.0040.01116.79
8.2.250.0030.00618.41
8.2.240.0110.00716.85
8.2.230.0090.00020.94
8.2.220.0090.00624.06
8.2.210.0000.00826.77
8.2.200.0060.00318.42
8.2.190.0110.00418.12
8.2.180.0150.00416.50
8.2.170.0080.00622.96
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00726.16
8.2.110.0100.00019.26
8.2.100.0100.00317.77
8.2.90.0030.00617.78
8.2.80.0040.00417.97
8.2.70.0060.00317.80
8.2.60.0030.00617.68
8.2.50.0050.00319.43
8.2.40.0070.00020.61
8.2.30.0020.00517.96
8.2.20.0000.00819.00
8.2.10.0060.01217.60
8.2.00.0140.00417.52
8.1.330.0090.01021.96
8.1.320.0120.00715.88
8.1.310.0080.00017.94
8.1.300.0070.01020.00
8.1.290.0000.00818.88
8.1.280.0110.00425.92
8.1.270.0080.00024.66
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0060.00322.34
8.1.230.0050.00520.91
8.1.220.0030.00617.74
8.1.210.0030.00618.87
8.1.200.0030.00617.10
8.1.190.0060.00317.10
8.1.180.0040.00418.10
8.1.170.0040.00418.53
8.1.160.0040.00418.70
8.1.150.0050.00318.41
8.1.140.0120.00617.22
8.1.130.0110.00517.18
8.1.120.0080.00417.27
8.1.110.0030.00617.29
8.1.100.0050.00517.38
8.1.90.0160.00017.48
8.1.80.0080.00817.36
8.1.70.0100.00717.38
8.1.60.0150.00417.50
8.1.50.0130.00617.32
8.1.40.0050.01417.50
8.1.30.0130.00317.41
8.1.20.0090.00417.55
8.1.10.0030.00617.32
8.1.00.0000.00717.25
8.0.300.0050.00219.90
8.0.290.0060.00316.58
8.0.280.0030.00318.21
8.0.270.0080.00016.78
8.0.260.0070.00316.72
8.0.250.0070.00216.80
8.0.240.0050.00316.86
8.0.230.0090.00016.73
8.0.220.0120.00316.79
8.0.210.0040.00816.71
8.0.200.0080.00416.83
8.0.190.0000.00916.83
8.0.180.0070.00716.74
8.0.170.0060.00616.76
8.0.160.0040.00816.66
8.0.150.0130.00016.72
8.0.140.0140.00016.73
8.0.130.0100.00016.76
8.0.120.0050.00516.61
8.0.110.0130.00016.61
8.0.100.0150.00016.72
8.0.90.0040.00416.73
8.0.80.0040.00416.74
8.0.70.0030.00616.77
8.0.60.0030.01016.62
8.0.50.0090.00716.63
8.0.30.0130.00316.73
8.0.20.0120.00516.80
8.0.10.0160.00016.76

preferences:
36.58 ms | 403 KiB | 5 Q