3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$var) { // echo $GLOBALS["baz"]; $x = 1; $var = $x; } $bar = 'bar'; foo($bar = 3); var_dump($bar);

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)
8.3.60.0140.00418.68
8.3.50.0120.00616.28
8.3.40.0140.00018.96
8.3.30.0120.00318.84
8.3.20.0000.01419.18
8.3.10.0040.00421.63
8.3.00.0030.00620.77
8.2.180.0120.00618.63
8.2.170.0150.00422.96
8.2.160.0060.00922.08
8.2.150.0080.00325.66
8.2.140.0040.00424.66
8.2.130.0000.00722.21
8.2.120.0040.00426.35
8.2.110.0090.00020.31
8.2.100.0080.00417.91
8.2.90.0030.00519.05
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0030.00617.79
8.2.50.0040.00418.10
8.2.40.0040.00420.72
8.2.30.0040.00419.06
8.2.20.0000.00817.90
8.2.10.0040.00418.07
8.2.00.0040.00418.01
8.1.280.0100.01025.92
8.1.270.0040.00423.71
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0100.00022.62
8.1.230.0060.00618.92
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0060.00317.25
8.1.190.0000.00717.11
8.1.180.0040.00418.10
8.1.170.0050.00318.51
8.1.160.0070.00018.95
8.1.150.0000.00718.84
8.1.140.0040.00419.45
8.1.130.0000.00718.67
8.1.120.0040.00417.31
8.1.110.0030.00317.36
8.1.100.0040.00417.35
8.1.90.0070.00417.47
8.1.80.0000.00717.32
8.1.70.0070.00017.42
8.1.60.0000.00817.57
8.1.50.0000.00817.49
8.1.40.0000.00717.55
8.1.30.0030.00517.61
8.1.20.0080.00017.71
8.1.10.0000.00717.60
8.1.00.0030.00617.48
8.0.300.0000.00718.77
8.0.290.0030.00616.75
8.0.280.0000.00718.26
8.0.270.0070.00017.11
8.0.260.0070.00016.86
8.0.250.0030.00516.91
8.0.240.0040.00416.96
8.0.230.0000.00816.91
8.0.220.0080.00016.90
8.0.210.0040.00416.85
8.0.200.0000.00617.00
8.0.190.0050.00316.85
8.0.180.0040.00716.80
8.0.170.0040.00416.95
8.0.160.0050.00216.92
8.0.150.0070.00016.74
8.0.140.0000.00716.73
8.0.130.0060.00013.40
8.0.120.0070.00016.75
8.0.110.0000.00916.87
8.0.100.0040.00416.93
8.0.90.0050.00316.80
8.0.80.0120.00616.96
8.0.70.0040.00416.88
8.0.60.0020.00516.73
8.0.50.0040.00416.77
8.0.30.0090.01016.98
8.0.20.0080.01017.40
8.0.10.0040.00417.08
8.0.00.0030.01517.03
7.4.330.0000.00515.55
7.4.320.0000.00616.44
7.4.300.0070.00016.45
7.4.290.0030.00716.42
7.4.280.0080.00016.62
7.4.270.0070.00016.50
7.4.260.0030.00313.23
7.4.250.0030.00316.55
7.4.240.0040.00416.68
7.4.230.0000.00716.40
7.4.220.0090.00916.64
7.4.210.0070.01016.57
7.4.200.0070.00016.54
7.4.160.0060.01016.64
7.4.150.0190.00617.40
7.4.140.0140.00517.86
7.4.130.0100.01016.35
7.4.120.0130.00616.45
7.4.110.0060.01016.63
7.4.100.0170.00016.53
7.4.90.0090.00616.59
7.4.80.0100.00719.39
7.4.70.0090.00616.48
7.4.60.0140.00716.52
7.4.50.0110.00416.22
7.4.40.0060.01216.59
7.4.30.0120.00616.61
7.4.00.0000.01114.99
7.3.330.0000.00513.49
7.3.320.0030.00313.25
7.3.310.0000.00716.23
7.3.300.0030.00316.33
7.3.290.0030.00316.44
7.3.280.0060.01016.42
7.3.270.0070.01117.40
7.3.260.0080.01216.56
7.3.250.0120.00816.44
7.3.240.0050.01316.51
7.3.230.0190.00316.54
7.3.210.0120.00916.46
7.3.200.0060.01516.72
7.3.190.0070.01016.66
7.3.180.0060.01016.44
7.3.170.0120.00416.46
7.3.160.0090.00616.59
7.3.10.0040.01116.64
7.3.00.0090.00016.85
7.2.330.0170.00016.51
7.2.320.0130.01016.25
7.2.310.0060.00916.20
7.2.300.0070.01016.30
7.2.290.0060.01316.50
7.2.130.0000.01316.89
7.2.120.0000.01516.70
7.2.110.0060.01216.79
7.2.100.0140.00016.42
7.2.90.0100.00016.79
7.2.80.0040.01116.82
7.2.70.0090.00616.75
7.2.60.0030.01016.83
7.2.50.0070.00716.79
7.2.40.0070.00316.79
7.2.30.0080.00816.74
7.2.20.0060.00916.60
7.2.10.0130.00616.40
7.2.00.0080.00517.87
7.1.250.0070.01015.55
7.1.200.0040.00715.62
7.1.100.0100.00318.05
7.1.70.0000.01417.16
7.1.60.0130.01034.96
7.1.50.0100.01334.71
7.1.40.0200.01334.30
7.1.30.0170.01334.46
7.1.20.0200.00334.41
7.1.10.0000.01016.42
7.1.00.0000.01016.41
7.0.200.0000.01016.63
7.0.190.0070.00316.50
7.0.180.0030.01016.41
7.0.170.0030.00716.40
7.0.160.0000.01016.13
7.0.150.0030.00716.27
7.0.140.0000.01016.23
7.0.130.0000.01016.41
7.0.120.0030.01016.55
7.0.110.0000.01016.23
7.0.100.0070.00716.51
7.0.90.0000.01316.41
7.0.80.0070.00716.49
7.0.70.0000.01016.18
7.0.60.0000.01016.16
7.0.50.0030.01016.27
7.0.40.0000.01316.20
7.0.30.0000.01316.60
7.0.20.0000.01016.57
7.0.10.0030.00716.45
7.0.00.0030.01016.56

preferences:
39.06 ms | 401 KiB | 5 Q