3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = 5; function f1 () { global $a; $a = 4; $b = 3; f2(); } function f2 () { global $a, $b; echo "a = $a\nb = $b\n"; } f1();

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)
8.5.30.0130.00517.38
8.5.20.0100.00819.45
8.5.10.0080.01016.48
8.5.00.0100.01121.60
8.4.180.0140.00719.47
8.4.170.0170.00920.59
8.4.160.0130.00922.96
8.4.150.0080.00516.78
8.4.140.0100.01117.35
8.4.130.0090.00117.55
8.4.120.0090.01122.37
8.4.110.0080.01322.55
8.4.100.0130.00817.63
8.4.90.0110.00822.38
8.4.80.0060.00219.07
8.4.70.0070.00718.79
8.4.60.0150.00718.95
8.4.50.0090.01020.34
8.4.40.0060.01019.27
8.4.30.0160.00318.49
8.4.20.0170.00317.89
8.4.10.0100.00617.73
8.3.300.0110.00820.81
8.3.290.0130.00720.75
8.3.280.0130.00718.61
8.3.270.0100.01016.46
8.3.260.0070.00216.79
8.3.250.0100.01018.82
8.3.240.0110.00816.53
8.3.230.0120.00616.47
8.3.220.0030.00419.04
8.3.210.0080.01216.74
8.3.200.0050.00416.56
8.3.190.0110.00417.28
8.3.180.0090.01016.57
8.3.170.0120.00617.09
8.3.160.0160.00316.73
8.3.150.0120.00320.60
8.3.140.0050.00317.32
8.3.130.0090.00018.31
8.3.120.0060.00319.09
8.3.110.0110.00020.94
8.3.100.0130.01024.06
8.3.90.0000.00826.77
8.3.80.0060.00318.30
8.3.70.0070.00716.58
8.3.60.0100.00716.50
8.3.50.0240.00725.27
8.3.40.0040.01119.09
8.3.30.0040.01118.54
8.3.20.0040.00421.90
8.3.10.0040.00420.34
8.3.00.0080.00023.66
8.2.300.0170.00717.98
8.2.290.0130.00516.50
8.2.280.0100.00820.15
8.2.270.0110.00717.18
8.2.260.0140.00716.70
8.2.250.0030.00616.74
8.2.240.0170.00316.96
8.2.230.0060.00922.58
8.2.220.0050.00337.54
8.2.210.0090.00026.77
8.2.200.0030.00616.38
8.2.190.0080.00816.58
8.2.180.0120.00925.92
8.2.170.0120.00322.96
8.2.160.0170.00022.21
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0030.00626.16
8.2.120.0040.00421.13
8.2.110.0090.00020.36
8.2.100.0030.00717.91
8.2.90.0000.00917.75
8.2.80.0040.00418.64
8.2.70.0000.00917.93
8.2.60.0080.00018.09
8.2.50.0060.00318.10
8.2.40.0000.00821.07
8.2.30.0000.00819.23
8.2.20.0040.00418.05
8.2.10.0040.00421.07
8.2.00.0000.00719.32
8.1.340.0110.00917.39
8.1.330.0090.01016.32
8.1.320.0120.00718.14
8.1.310.0070.01118.28
8.1.300.0000.00818.03
8.1.290.0060.00330.84
8.1.280.0060.00825.92
8.1.270.0080.00023.82
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0090.00023.88
8.1.230.0040.00722.81
8.1.220.0000.00917.74
8.1.210.0030.00618.77
8.1.200.0030.00617.22
8.1.190.0040.00417.23
8.1.180.0000.00819.09
8.1.170.0080.00018.46
8.1.160.0000.00719.05
8.1.150.0070.00018.82
8.1.140.0000.00718.84
8.1.130.0000.00717.42
8.1.120.0070.00017.37
8.1.110.0050.00217.34
8.1.100.0030.00317.41
8.1.90.0030.00317.22
8.1.80.0050.00217.32
8.1.70.0000.00717.36
8.1.60.0030.00717.63
8.1.50.0000.00717.41
8.1.40.0020.00517.52
8.1.30.0000.00717.63
8.1.20.0050.00317.57
8.1.10.0060.00317.52
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0030.00716.75
8.0.280.0000.00818.31
8.0.270.0030.00516.83
8.0.260.0000.00616.80
8.0.250.0000.00716.98
8.0.240.0070.00017.00
8.0.230.0000.00816.97
8.0.220.0000.00716.86
8.0.210.0000.00716.87
8.0.200.0030.00317.00
8.0.190.0040.00416.92
8.0.180.0030.00616.82
8.0.170.0000.00816.90
8.0.160.0000.00716.84
8.0.150.0040.00416.70
8.0.140.0000.00716.88
8.0.130.0050.00013.38
8.0.120.0040.00416.86
8.0.110.0000.00816.89
8.0.100.0050.00216.84
8.0.90.0030.00616.89
8.0.80.0100.00516.81
8.0.70.0040.00416.79
8.0.60.0030.00516.71
8.0.50.0040.00416.78
8.0.30.0090.01317.14
8.0.20.0110.00817.05
8.0.10.0030.00516.98
8.0.00.0030.01416.53
7.4.330.0050.00015.55
7.4.320.0060.00016.58
7.4.300.0070.00016.48
7.4.290.0000.00716.50
7.4.280.0050.00216.52
7.4.270.0000.00716.54
7.4.260.0000.00513.27
7.4.250.0040.00416.55
7.4.240.0030.00316.54
7.4.230.0040.00416.60
7.4.220.0020.00616.44
7.4.210.0090.00916.52
7.4.200.0040.00416.61
7.4.130.0100.00816.63
7.4.120.0110.00616.70
7.4.110.0130.00316.40
7.4.100.0130.00316.47
7.4.90.0130.00316.43
7.4.80.0070.01019.39
7.4.70.0070.01016.52
7.4.60.0100.00716.57
7.4.50.0060.00916.52
7.4.40.0110.00616.42
7.4.30.0030.01516.21
7.4.20.0120.00616.05
7.4.10.0090.00916.25
7.4.00.0070.01016.51
7.3.330.0000.00716.34
7.3.320.0000.00613.12
7.3.310.0070.00016.17
7.3.300.0030.00316.21
7.3.290.0080.00916.29
7.3.280.0060.01316.23
7.3.260.0070.01116.63
7.3.240.0100.00816.45
7.3.230.0100.00616.29
7.3.210.0170.00016.42
7.3.200.0090.00916.38
7.3.190.0140.00416.50
7.3.180.0090.00916.55
7.3.170.0060.01016.31
7.3.160.0120.00916.48
7.3.150.0060.01316.39
7.3.140.0160.00315.98
7.3.130.0100.01016.19
7.3.120.0100.00716.46
7.3.110.0120.00916.29
7.3.100.0070.01316.40
7.3.90.0140.01116.54
7.3.80.0090.01116.57
7.3.70.0130.00616.50
7.3.60.0150.00416.24
7.3.50.0090.01516.41
7.3.40.0160.00216.46
7.3.30.0130.00616.25
7.3.20.0150.00416.37
7.3.10.0130.00616.39
7.3.00.0050.01616.44
7.2.330.0130.00616.59
7.2.320.0090.01516.63
7.2.310.0030.01916.58
7.2.300.0060.00916.50
7.2.290.0110.00716.32
7.2.280.0060.01216.20
7.2.270.0140.00316.15
7.2.260.0060.01516.53
7.2.250.0150.00416.22
7.2.240.0070.01016.31
7.2.230.0040.01416.32
7.2.220.0070.01016.48
7.2.210.0030.01616.15
7.2.200.0040.01416.25
7.2.190.0100.00716.51
7.2.180.0150.00916.39
7.2.170.0130.00416.44
7.2.160.0060.01216.46
7.2.150.0080.01516.39
7.2.140.0080.01216.46
7.2.130.0040.01416.57
7.2.120.0070.01116.69
7.2.110.0090.00916.46
7.2.100.0120.00616.53
7.2.90.0110.00716.50
7.2.80.0130.01016.28
7.2.70.0120.00616.59
7.2.60.0090.00916.07
7.2.50.0040.01516.40
7.2.40.0070.01016.20
7.2.30.0120.00916.42
7.2.20.0060.01616.44
7.2.10.0140.01416.44
7.2.00.0120.01216.43

preferences:
58.13 ms | 1482 KiB | 5 Q