3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bar = 'php5'; $foo['bar']['baz'] = 'Jason'; echo $$foo['bar']['baz']; //php5 = $($foo['bar']['baz']) = $Jason = Young; echo "\n----------------php7 down------------------\n"; $bar = 'php7'; $Jason = ['bar'=>['baz'=>'Young']]; var_dump($Jason); echo $$foo['bar']['baz'];

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)
8.3.60.0070.01418.68
8.3.50.0120.00721.26
8.3.40.0180.00018.96
8.3.30.0110.00319.02
8.3.20.0000.00720.04
8.3.10.0040.00421.88
8.3.00.0030.00523.48
8.2.180.0090.00616.75
8.2.170.0070.00722.96
8.2.160.0100.00320.44
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00019.77
8.2.120.0040.00426.35
8.2.110.0140.00421.18
8.2.100.0040.00817.93
8.2.90.0030.00519.26
8.2.80.0030.00517.97
8.2.70.0000.00917.38
8.2.60.0030.00617.80
8.2.50.0000.00918.07
8.2.40.0050.00322.20
8.2.30.0040.00419.39
8.2.20.0000.00817.73
8.2.10.0040.00418.19
8.2.00.0040.00418.16
8.1.280.0100.01025.92
8.1.270.0090.00923.91
8.1.260.0000.00828.09
8.1.250.0060.00328.09
8.1.240.0040.00419.22
8.1.230.0110.00019.16
8.1.220.0000.00817.77
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0060.00317.48
8.1.180.0050.00518.10
8.1.170.0060.00318.49
8.1.160.0050.00320.72
8.1.150.0040.00418.80
8.1.140.0000.00819.49
8.1.130.0070.00017.79
8.1.120.0020.00517.39
8.1.110.0000.01017.48
8.1.100.0050.00317.46
8.1.90.0000.01117.48
8.1.80.0050.00317.47
8.1.70.0070.00017.35
8.1.60.0000.00817.55
8.1.50.0050.00317.48
8.1.40.0060.00317.59
8.1.30.0050.00317.63
8.1.20.0000.00817.52
8.1.10.0060.00317.59
8.1.00.0040.00417.48
8.0.300.0000.00818.77
8.0.290.0030.00616.88
8.0.280.0030.00318.43
8.0.270.0040.00417.13
8.0.260.0030.00317.23
8.0.250.0000.00716.98
8.0.240.0000.00617.00
8.0.230.0000.00716.97
8.0.220.0020.00516.98
8.0.210.0000.00716.93
8.0.200.0070.00016.93
8.0.190.0040.00416.95
8.0.180.0030.00317.00
8.0.170.0040.00416.98
8.0.160.0070.00016.97
8.0.150.0000.00716.88
8.0.140.0070.00016.92
8.0.130.0060.00013.46
8.0.120.0080.00016.86
8.0.110.0030.00616.86
8.0.100.0040.00417.06
8.0.90.0000.00716.85
8.0.80.0060.00916.90
8.0.70.0030.00516.97
8.0.60.0000.00716.85
8.0.50.0000.00716.77
8.0.30.0030.01517.16
8.0.20.0140.00517.40
8.0.10.0000.00716.98
8.0.00.0120.00716.81
7.4.330.0020.00216.77
7.4.320.0070.00016.58
7.4.300.0000.00716.66
7.4.290.0030.00316.51
7.4.280.0050.00516.59
7.4.270.0040.00416.50
7.4.260.0030.00316.54
7.4.250.0050.00316.57
7.4.240.0020.00516.51
7.4.230.0000.00816.68
7.4.220.0100.01616.53
7.4.210.0070.00916.50
7.4.200.0000.00716.62
7.4.160.0110.00516.38
7.4.150.0070.01017.40
7.4.140.0100.01017.86
7.4.130.0150.00616.64
7.4.120.0040.01216.61
7.4.110.0030.01516.48
7.4.100.0050.01116.61
7.4.90.0090.00916.77
7.4.80.0030.01519.39
7.4.70.0080.00816.64
7.4.60.0040.01116.66
7.4.50.0030.01216.48
7.4.40.0080.00816.41
7.4.30.0130.00316.80
7.4.00.0040.01114.84
7.3.330.0000.00913.16
7.3.320.0030.00313.15
7.3.310.0040.00416.30
7.3.300.0040.00416.30
7.3.290.0040.00416.29
7.3.280.0120.00916.25
7.3.270.0070.01017.40
7.3.260.0160.00616.37
7.3.250.0080.01116.41
7.3.240.0110.00616.61
7.3.230.0100.00616.42
7.3.210.0100.00716.37
7.3.200.0090.01219.39
7.3.190.0160.00016.50
7.3.180.0100.00616.38
7.3.170.0060.01016.65
7.3.160.0060.01416.46
7.2.330.0070.01016.70
7.2.320.0070.01316.68
7.2.310.0100.00716.37
7.2.300.0110.00716.55
7.2.290.0070.01316.75
7.2.60.0100.00316.91
7.2.00.0000.01519.05
7.1.200.0080.00415.57
7.1.100.0110.00617.68
7.1.70.0000.00716.86
7.1.60.0060.00619.30
7.1.50.0150.00616.93
7.1.00.0070.07322.50
7.0.200.7380.01314.82
7.0.60.0200.04019.85
7.0.50.0030.05017.85
7.0.40.0100.06719.98
7.0.30.0230.07720.18
7.0.20.0300.09320.19
7.0.10.0100.08720.13
7.0.00.0030.04320.16
5.6.280.0030.03320.77
5.6.210.0100.08020.51
5.6.200.0070.06018.11
5.6.190.0070.08720.49
5.6.180.0670.05720.45
5.6.170.0270.08020.49
5.6.160.0170.07020.46
5.6.150.0100.08018.18
5.6.140.0000.05718.21
5.6.130.0030.04018.21
5.6.120.0030.06020.96
5.6.110.0130.06321.13
5.6.100.0200.07021.04
5.6.90.0170.08020.95
5.6.80.0030.05720.53
5.5.350.0200.06320.37
5.5.340.0030.03717.88
5.5.330.0030.06720.21
5.5.320.0370.04020.20
5.5.310.0200.05720.13
5.5.300.0130.07718.02
5.5.290.0000.04318.02
5.5.280.0100.08020.68
5.5.270.0130.08020.88
5.5.260.0070.08320.86
5.5.250.0170.07020.67
5.5.240.0100.06020.03

preferences:
47.19 ms | 401 KiB | 5 Q