3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function y() { $GLOBALS['y'] = null; return true; } public function z() { echo "Hello World\n"; } } function nullthrows($x) { if ($x === null) { throw new Exception('Unexpected null'); } return $x; } function foo($x) { if ($x && $x->y()) { nullthrows($x)->z(); } } $x = array(new A()); $y = &$x[0]; foo($y);

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)
8.3.70.0070.01118.43
8.3.60.0090.00916.75
8.3.50.0120.00716.39
8.3.40.0110.00418.70
8.3.30.0120.00318.74
8.3.20.0000.00720.25
8.3.10.0080.00023.70
8.3.00.0060.00321.85
8.2.180.0060.01618.47
8.2.170.0090.00622.96
8.2.160.0060.00819.12
8.2.150.0040.00424.18
8.2.140.0020.00524.66
8.2.130.0040.00419.27
8.2.120.0080.00026.35
8.2.110.0060.00320.38
8.2.100.0090.00317.91
8.2.90.0040.00419.30
8.2.80.0030.00518.03
8.2.70.0040.00417.50
8.2.60.0000.00818.03
8.2.50.0050.00518.10
8.2.40.0040.00420.46
8.2.30.0040.00419.20
8.2.20.0000.00818.13
8.2.10.0000.00918.13
8.2.00.0040.00418.05
8.1.280.0130.00325.92
8.1.270.0120.00322.13
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0070.01023.80
8.1.230.0080.00320.97
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0030.00617.35
8.1.190.0040.00417.36
8.1.180.0070.00018.10
8.1.170.0040.00419.03
8.1.160.0040.00419.06
8.1.150.0040.00418.85
8.1.140.0030.00519.50
8.1.130.0000.00718.93
8.1.120.0000.00717.47
8.1.110.0000.00817.44
8.1.100.0070.00017.43
8.1.90.0060.00317.45
8.1.80.0040.00417.50
8.1.70.0000.00817.52
8.1.60.0080.00017.63
8.1.50.0080.00017.49
8.1.40.0060.00317.41
8.1.30.0000.00817.64
8.1.20.0080.00017.55
8.1.10.0030.00517.53
8.1.00.0040.00417.48
8.0.300.0000.00718.77
8.0.290.0000.00716.60
8.0.280.0070.00018.41
8.0.270.0020.00517.20
8.0.260.0030.00316.86
8.0.250.0000.00616.82
8.0.240.0030.00316.97
8.0.230.0030.00316.85
8.0.220.0070.00016.80
8.0.210.0030.00316.94
8.0.200.0000.00716.97
8.0.190.0030.00616.93
8.0.180.0060.00316.97
8.0.170.0070.00016.83
8.0.160.0030.00516.96
8.0.150.0000.00716.80
8.0.140.0080.00016.88
8.0.130.0030.00613.35
8.0.120.0020.00516.89
8.0.110.0030.00316.85
8.0.100.0070.00016.77
8.0.90.0000.00816.91
8.0.80.0120.00916.94
8.0.70.0040.00416.85
8.0.60.0080.00016.91
8.0.50.0030.00516.93
8.0.30.0130.00517.19
8.0.20.0100.00917.40
8.0.10.0040.00416.88
8.0.00.0160.00316.62
7.4.330.0030.00415.55
7.4.320.0030.00316.41
7.4.300.0000.00716.52
7.4.290.0000.00616.45
7.4.280.0050.00316.45
7.4.270.0000.00716.50
7.4.260.0030.00316.62
7.4.250.0040.00416.43
7.4.240.0070.00016.59
7.4.230.0030.00316.41
7.4.220.0120.01216.58
7.4.210.0120.00916.67
7.4.200.0080.00016.72
7.4.160.0100.01116.49
7.4.150.0120.00617.40
7.4.140.0050.01317.86
7.4.130.0140.00916.52
7.4.120.0110.00616.41
7.4.110.0130.00316.46
7.4.100.0130.00316.50
7.4.90.0030.01316.41
7.4.80.0060.01019.39
7.4.70.0120.00316.52
7.4.60.0040.01216.50
7.4.50.0040.01516.36
7.4.40.0160.00416.57
7.4.30.0060.01016.64
7.4.00.0070.00715.01
7.3.330.0060.00513.44
7.3.320.0000.00513.32
7.3.310.0040.00416.19
7.3.300.0090.00016.24
7.3.290.0060.01016.36
7.3.280.0080.00916.33
7.3.270.0120.00617.40
7.3.260.0110.01316.40
7.3.250.0130.00816.37
7.3.240.0100.00716.52
7.3.230.0110.00816.60
7.3.210.0060.00916.50
7.3.200.0140.00316.58
7.3.190.0100.01016.40
7.3.180.0100.01016.56
7.3.170.0120.00316.54
7.3.160.0190.00416.60
7.2.330.0120.00616.80
7.2.320.0130.00316.84
7.2.310.0060.01116.82
7.2.300.0160.00016.78
7.2.290.0060.01116.61
7.2.120.0130.00016.55
7.2.110.0040.00416.73
7.2.100.0100.00716.64
7.2.90.0070.00716.78
7.2.80.0060.00616.80
7.2.70.0000.00917.09
7.2.60.0050.01016.91
7.2.50.0000.01216.77
7.2.40.0090.00316.81
7.2.30.0100.00017.09
7.2.20.0000.01516.83
7.2.10.0000.00917.13
7.2.00.0060.00618.20
7.1.240.0030.00915.90
7.1.230.0060.00615.85
7.1.220.0100.00715.65
7.1.210.0060.00315.71
7.1.200.0070.00415.65
7.1.190.0130.00015.88
7.1.180.0080.00815.76
7.1.170.0050.00315.75
7.1.160.0080.00415.67
7.1.150.0100.00315.88
7.1.140.0060.00615.82
7.1.130.0070.00715.59
7.1.120.0120.00315.49
7.1.110.0060.00315.62
7.1.100.0090.00616.82
7.1.90.0070.00715.87
7.1.80.0070.00415.88
7.1.70.0100.00816.50
7.1.60.0140.01625.38
7.1.50.0130.01525.30
7.1.40.0130.01525.13
7.1.30.0200.01225.03
7.1.20.0190.00625.27
7.1.10.0080.00816.15
7.1.00.0070.00916.09
7.0.320.0100.00615.36
7.0.310.0040.00815.54
7.0.300.0000.00715.28
7.0.290.0050.00215.10
7.0.280.0100.00315.12
7.0.270.0080.00015.38
7.0.260.0090.00615.19
7.0.250.0040.01115.18
7.0.240.0070.00715.59
7.0.230.0030.01015.48
7.0.220.0030.01015.19
7.0.210.0000.01415.44
7.0.200.0100.00616.14
7.0.190.0100.00516.09
7.0.180.0070.01115.87
7.0.170.0070.01115.90
7.0.160.0100.01015.84
7.0.150.0040.01415.88
7.0.140.0050.01115.79
7.0.130.0090.00615.95
7.0.120.0070.01115.93
7.0.110.0080.01115.77
7.0.100.0080.00715.80
7.0.90.0090.00515.91
7.0.80.0070.00916.01
7.0.70.0030.01515.86
7.0.60.0070.00715.86
7.0.50.0030.01316.05
7.0.40.0100.00615.03
7.0.30.0070.01114.83
7.0.20.0080.01015.05
7.0.10.0030.01014.73
7.0.00.0100.00414.86
5.6.380.0000.01214.23

preferences:
54.09 ms | 401 KiB | 5 Q