3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a; $c = $b + 1; foo($b);

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)
8.3.60.0040.01118.49
8.3.50.0070.00716.63
8.3.40.0110.00318.71
8.3.30.0100.00318.54
8.3.20.0030.00521.82
8.3.10.0040.00423.52
8.3.00.0050.00318.80
8.2.180.0090.00616.82
8.2.170.0180.00322.96
8.2.160.0150.00019.13
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00019.21
8.2.120.0040.00426.35
8.2.110.0060.00321.94
8.2.100.0030.00917.72
8.2.90.0100.00019.22
8.2.80.0110.00417.97
8.2.70.0040.00417.80
8.2.60.0000.00817.50
8.2.50.0080.00018.10
8.2.40.0070.00020.56
8.2.30.0000.00819.36
8.2.20.0000.00718.05
8.2.10.0070.00017.76
8.2.00.0040.00417.98
8.1.280.0030.01225.92
8.1.270.0050.00323.87
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0060.00320.50
8.1.230.0080.00417.77
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0050.00317.35
8.1.190.0030.00517.13
8.1.180.0060.00318.10
8.1.170.0040.00418.92
8.1.160.0040.00418.86
8.1.150.0000.00719.00
8.1.140.0040.00417.63
8.1.130.0000.00720.24
8.1.120.0000.00717.43
8.1.110.0000.00817.34
8.1.100.0000.00717.35
8.1.90.0000.00817.39
8.1.80.0000.00817.41
8.1.70.0000.00917.40
8.1.60.0000.00917.46
8.1.50.0040.00417.48
8.1.40.0000.00917.43
8.1.30.0020.00517.57
8.1.20.0040.00417.61
8.1.10.0000.00717.47
8.1.00.0000.00817.39
8.0.300.0040.00418.77
8.0.290.0050.00516.88
8.0.280.0070.00018.43
8.0.270.0030.00317.18
8.0.260.0000.00616.81
8.0.250.0000.00716.91
8.0.240.0030.00316.92
8.0.230.0000.00716.92
8.0.220.0000.00716.76
8.0.210.0070.00016.77
8.0.200.0050.00316.95
8.0.190.0040.00416.95
8.0.180.0000.00816.79
8.0.170.0060.00316.79
8.0.160.0000.00816.82
8.0.150.0050.00316.86
8.0.140.0000.00716.85
8.0.130.0030.00313.39
8.0.120.0040.00416.77
8.0.110.0000.00916.93
8.0.100.0050.00316.67
8.0.90.0040.00416.86
8.0.80.0130.00616.84
8.0.70.0000.00716.83
8.0.60.0040.00416.78
8.0.50.0000.00716.71
8.0.30.0090.00917.06
8.0.20.0100.01017.40
8.0.10.0000.00716.89
8.0.00.0120.00516.82
7.4.330.0000.00515.55
7.4.320.0060.00016.54
7.4.300.0030.00316.59
7.4.290.0030.00316.45
7.4.280.0050.00516.38
7.4.270.0020.00716.42
7.4.260.0040.00416.42
7.4.250.0030.00316.56
7.4.240.0040.00416.63
7.4.230.0060.00016.29
7.4.220.0050.00216.57
7.4.210.0100.00616.49
7.4.200.0000.00716.36
7.4.160.0090.00716.53
7.4.140.0100.00917.86
7.4.130.0160.00316.57
7.4.120.0130.00816.50
7.4.110.0030.01416.49
7.4.100.0060.01816.41
7.4.90.0080.01616.45
7.4.80.0030.01319.39
7.4.70.0030.01616.46
7.4.60.0090.00916.27
7.4.50.0130.00316.41
7.4.40.0100.01016.55
7.4.00.0060.00614.76
7.3.330.0000.00513.07
7.3.320.0000.00613.04
7.3.310.0030.00316.41
7.3.300.0030.00316.30
7.3.290.0000.00716.36
7.3.280.0100.00716.32
7.3.260.0100.00916.34
7.3.240.0070.01016.27
7.3.230.0080.01216.34
7.3.210.0100.00716.41
7.3.200.0120.00316.35
7.3.190.0060.00916.45
7.3.180.0090.00916.41
7.3.170.0110.00716.23
7.3.160.0060.00916.38
7.2.330.0080.00916.38
7.2.320.0060.01216.34
7.2.310.0080.00816.58
7.2.300.0100.00716.51
7.2.290.0060.01216.61
7.2.60.0030.00916.74
7.2.50.0030.01016.64
7.2.30.0160.01817.93
7.2.20.0240.01117.42
7.2.10.0270.01317.79
7.2.00.0160.01517.89
7.1.200.0040.00715.42
7.1.150.0100.01316.43
7.1.140.0180.01416.61
7.1.130.0200.01516.53
7.1.120.0110.01316.76
7.1.110.0260.01015.87
7.1.100.0150.01315.60
7.1.90.0170.01015.41
7.1.80.0180.01215.57
7.1.70.0130.01415.34
7.1.60.0290.01733.04
7.1.50.0380.01332.75
7.1.40.0310.02032.50
7.1.30.0420.02032.56
7.1.20.0340.01632.66
7.1.10.0180.01414.36
7.1.00.0150.01414.70

preferences:
84.03 ms | 401 KiB | 5 Q