3v4l.org

run code in 300+ PHP versions simultaneously
<?php class B { public $var; public function __construct($var) { $this->var = $var; } } class A { public $class; public function __construct(B $class) { $this->class = $class; } } $b = new B('test'); $a = new A($b); echo $b->var."\n"; echo $a->class->var."\n"; $b->var = 'test2'; echo $b->var."\n"; echo $a->class->var;

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)
8.3.60.0140.00718.19
8.3.50.0110.00821.98
8.3.40.0120.00618.79
8.3.30.0070.00718.70
8.3.20.0070.00020.34
8.3.10.0080.00020.52
8.3.00.0050.00221.75
8.2.180.0110.00616.63
8.2.170.0110.00722.96
8.2.160.0140.00021.93
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0050.00321.18
8.2.120.0040.00426.35
8.2.110.0130.00322.25
8.2.100.0090.00317.72
8.2.90.0030.00517.93
8.2.80.0050.00319.76
8.2.70.0030.00518.04
8.2.60.0060.00318.04
8.2.50.0000.00818.10
8.2.40.0030.00520.47
8.2.30.0080.00019.36
8.2.20.0040.00417.68
8.2.10.0050.00317.96
8.2.00.0000.00718.05
8.1.280.0070.00725.92
8.1.270.0090.00922.05
8.1.260.0000.00828.09
8.1.250.0050.00328.09
8.1.240.0060.00323.84
8.1.230.0060.00619.10
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0050.00317.48
8.1.180.0040.00418.10
8.1.170.0000.00818.70
8.1.160.0070.00020.76
8.1.150.0000.00818.89
8.1.140.0040.00419.55
8.1.130.0030.00317.69
8.1.120.0040.00417.45
8.1.110.0040.00417.47
8.1.100.0000.00817.42
8.1.90.0040.00417.38
8.1.80.0030.00517.46
8.1.70.0030.00317.32
8.1.60.0070.00017.51
8.1.50.0000.00917.54
8.1.40.0000.00817.55
8.1.30.0000.00817.58
8.1.20.0040.00417.43
8.1.10.0050.00317.43
8.1.00.0040.00717.36
8.0.300.0070.00321.48
8.0.290.0000.00716.75
8.0.280.0000.00818.44
8.0.270.0000.00717.17
8.0.260.0000.00617.27
8.0.250.0030.00317.01
8.0.240.0050.00216.91
8.0.230.0050.00217.05
8.0.220.0040.00417.01
8.0.210.0040.00416.84
8.0.200.0030.00316.97
8.0.190.0050.00317.06
8.0.180.0040.00417.00
8.0.170.0000.00816.95
8.0.160.0080.00016.91
8.0.150.0030.00516.79
8.0.140.0040.00416.84
8.0.130.0030.00313.39
8.0.120.0030.00616.82
8.0.110.0050.00216.91
8.0.100.0040.00416.77
8.0.90.0030.00316.95
8.0.80.0060.01316.97
8.0.70.0000.00717.06
8.0.60.0000.00716.76
8.0.50.0040.00416.86
8.0.30.0100.00817.05
8.0.20.0130.00817.40
8.0.10.0040.00416.80
8.0.00.0090.01216.84
7.4.330.0000.00416.67
7.4.320.0030.00316.43
7.4.300.0030.00316.49
7.4.290.0060.00316.59
7.4.280.0070.00016.48
7.4.270.0030.00316.64
7.4.260.0000.00816.58
7.4.250.0040.00416.48
7.4.240.0000.00716.49
7.4.230.0030.00316.48
7.4.220.0120.00916.53
7.4.210.0070.01116.70
7.4.200.0050.00316.42
7.4.160.0030.01316.55
7.4.150.0090.01017.40
7.4.140.0100.01017.86
7.4.130.0090.01116.53
7.4.120.0110.00716.52
7.4.110.0030.01416.54
7.4.100.0070.01016.52
7.4.90.0080.00816.47
7.4.80.0110.00619.39
7.4.70.0090.00916.67
7.4.60.0100.01016.69
7.4.50.0150.00316.21
7.4.40.0090.00916.71
7.4.30.0100.00716.39
7.4.00.0030.01214.94
7.3.330.0000.00513.14
7.3.320.0020.00213.33
7.3.310.0030.00316.19
7.3.300.0030.00316.37
7.3.290.0090.01016.27
7.3.280.0120.00416.27
7.3.270.0140.00317.40
7.3.260.0120.01216.58
7.3.250.0110.01416.38
7.3.240.0170.00016.28
7.3.230.0060.01216.59
7.3.210.0100.00516.54
7.3.200.0070.01016.50
7.3.190.0080.00816.41
7.3.180.0090.01116.27
7.3.170.0110.01116.60
7.3.160.0130.00316.41
7.3.120.0140.00315.04
7.3.110.0060.01214.69
7.3.100.0030.01214.90
7.3.90.0100.00314.63
7.3.80.0090.00614.79
7.3.70.0040.01414.93
7.3.60.0060.00614.79
7.3.50.0030.00714.80
7.3.40.0060.00914.82
7.3.30.0060.00614.95
7.3.20.0030.00716.63
7.3.10.0050.00716.66
7.3.00.0020.01316.47
7.2.330.0090.00916.77
7.2.320.0130.00616.42
7.2.310.0130.01016.70
7.2.300.0070.01016.68
7.2.290.0100.00716.57
7.2.250.0030.01414.91
7.2.240.0130.00614.77
7.2.230.0060.00914.93
7.2.220.0040.01415.32
7.2.210.0060.01215.01
7.2.200.0070.01014.67
7.2.190.0000.00915.21
7.2.180.0040.00815.22
7.2.170.0060.00915.23
7.2.130.0080.00417.06
7.2.120.0080.00416.88
7.2.110.0130.00016.83
7.2.100.0090.00616.96
7.2.90.0070.00716.64
7.2.80.0060.00617.13
7.2.70.0000.01416.76
7.2.60.0070.00816.72
7.2.50.0110.00316.94
7.2.40.0000.01216.91
7.2.30.0030.01016.77
7.2.20.0000.01416.56
7.2.10.0060.00616.65
7.2.00.0060.00818.09
7.1.330.0030.01515.69
7.1.320.0070.00715.70
7.1.310.0000.00915.96
7.1.300.0040.00715.84
7.1.290.0060.00915.84
7.1.280.0040.00415.83
7.1.270.0070.00316.02
7.1.260.0040.00715.76
7.1.250.0070.00415.82
7.1.200.0000.01315.60
7.1.100.0000.01218.12
7.1.70.0050.00517.26
7.1.60.0100.01419.19
7.1.50.0100.01416.93
7.1.00.0000.08022.35
7.0.200.0340.00614.91
7.0.60.0100.08321.71
7.0.50.0070.07017.86
7.0.40.0000.09319.98
7.0.30.0370.05020.20
7.0.20.0200.05020.23
7.0.10.0070.04720.24
7.0.00.0000.05020.22
5.6.280.0030.04320.87
5.6.210.0130.05320.57
5.6.200.0030.04318.18
5.6.190.0030.07720.48
5.6.180.0370.05720.40
5.6.170.0270.06720.44
5.6.160.0230.07720.54
5.6.150.0100.08018.17
5.6.140.0000.04018.22
5.6.130.0070.04018.27
5.6.120.0070.04021.11
5.6.110.0070.04020.98
5.6.100.0230.06320.89
5.6.90.0200.07321.11
5.6.80.0070.07320.29
5.5.350.0370.07720.42
5.5.340.0130.04018.07
5.5.330.0030.04320.31
5.5.320.0270.07320.27
5.5.310.0230.04020.51
5.5.300.0100.08317.93
5.5.290.0100.08017.96
5.5.280.0000.04320.85
5.5.270.0100.08320.87
5.5.260.0130.08020.73
5.5.250.0070.06720.78
5.5.240.0030.03020.16

preferences:
35.81 ms | 401 KiB | 5 Q