3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $i = 0; } class B extends A { public $i = 150; } $a = new A(); $b = new B(); echo '$a->i: ', $a->i, "\n"; // 0 echo '$b->i: ', $b->i, "\n"; // 150 $a->i = 100; echo '$b->i: ', $b->i, "\n"; //150 echo '$a->i: ', $a->i, "\n"; // 100 $b->i = 50; // Ne modifie pas la propriété $i de A echo '$a->i: ', $a->i, "\n"; //100 echo '$b->i: ', $b->i, "\n"; // 50

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)
8.3.70.0120.00318.29
8.3.60.0060.01516.63
8.3.50.0150.00817.54
8.3.40.0120.00918.73
8.3.30.0110.00418.75
8.3.20.0000.00820.29
8.3.10.0040.01121.92
8.3.00.0080.00023.61
8.2.190.0110.00716.63
8.2.180.0130.00718.41
8.2.170.0170.00322.96
8.2.160.0070.00720.57
8.2.150.0030.00524.18
8.2.140.0000.00724.66
8.2.130.0000.00819.30
8.2.120.0040.00426.35
8.2.110.0000.00921.03
8.2.100.0120.00018.22
8.2.90.0040.00419.22
8.2.80.0030.00517.97
8.2.70.0050.00517.63
8.2.60.0040.00417.93
8.2.50.0040.00418.22
8.2.40.0080.00020.42
8.2.30.0050.00319.30
8.2.20.0040.00717.96
8.2.10.0000.00818.00
8.2.00.0000.00718.01
8.1.280.0180.00025.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00921.31
8.1.230.0080.00420.20
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0040.00417.22
8.1.180.0030.00518.10
8.1.170.0040.00418.50
8.1.160.0070.00018.76
8.1.150.0040.00420.09
8.1.140.0070.00319.54
8.1.130.0040.00420.58
8.1.120.0000.00817.50
8.1.110.0000.00817.42
8.1.100.0000.00717.38
8.1.90.0040.00417.43
8.1.80.0000.00717.30
8.1.70.0030.00317.31
8.1.60.0030.00617.53
8.1.50.0040.00417.43
8.1.40.0000.00817.41
8.1.30.0000.00817.50
8.1.20.0040.00417.61
8.1.10.0000.00717.50
8.1.00.0000.00817.46
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0070.00018.38
8.0.270.0080.00016.73
8.0.260.0000.00918.38
8.0.250.0000.00716.89
8.0.240.0000.00816.89
8.0.230.0030.00316.95
8.0.220.0030.00316.73
8.0.210.0000.00816.87
8.0.200.0070.00016.91
8.0.190.0000.00716.91
8.0.180.0070.00016.78
8.0.170.0030.00316.77
8.0.160.0070.00316.84
8.0.150.0000.00816.80
8.0.140.0040.00416.75
8.0.130.0000.00513.32
8.0.120.0000.00716.72
8.0.110.0050.00316.76
8.0.100.0000.00816.79
8.0.90.0050.00216.75
8.0.80.0140.00016.83
8.0.70.0000.00716.88
8.0.60.0040.00416.73
8.0.50.0000.00716.80
8.0.30.0070.01317.07
8.0.20.0100.01217.40
8.0.10.0000.00716.96
8.0.00.0080.00816.68
7.4.330.0060.00015.55
7.4.320.0000.00716.49
7.4.300.0030.00316.52
7.4.290.0070.00016.46
7.4.280.0000.00716.55
7.4.270.0000.00716.57
7.4.260.0070.00316.45
7.4.250.0000.00716.40
7.4.240.0040.00416.46
7.4.230.0030.00316.37
7.4.220.0130.01616.50
7.4.210.0130.00416.59
7.4.200.0000.00716.27
7.4.160.0100.00916.33
7.4.150.0180.00517.40
7.4.140.0100.00817.86
7.4.130.0100.00716.48
7.4.120.0110.00916.53
7.4.110.0080.00916.30
7.4.100.0130.00616.51
7.4.90.0060.01316.45
7.4.80.0090.00619.39
7.4.70.0140.00916.52
7.4.60.0060.01016.54
7.4.50.0070.00716.34
7.4.40.0100.00616.54
7.4.30.0060.01116.50
7.4.00.0060.01214.73
7.3.330.0020.00213.12
7.3.320.0050.00013.09
7.3.310.0050.00216.16
7.3.300.0030.00316.27
7.3.290.0030.01116.25
7.3.280.0060.01016.24
7.3.270.0110.00617.40
7.3.260.0060.01116.30
7.3.250.0070.01116.22
7.3.240.0100.00916.48
7.3.230.0070.01016.23
7.3.210.0120.01216.29
7.3.200.0070.01416.34
7.3.190.0030.01316.60
7.3.180.0080.00816.52
7.3.170.0060.00916.43
7.3.160.0110.01116.34
7.3.120.0070.01014.96
7.3.110.0070.01014.34
7.3.100.0070.01015.06
7.3.90.0030.01314.64
7.3.80.0030.01015.12
7.3.70.0030.00914.75
7.3.60.0090.00614.81
7.3.50.0120.00614.90
7.3.40.0040.00914.69
7.3.30.0090.00014.90
7.3.20.0040.01116.60
7.3.10.0040.01116.49
7.3.00.0030.01016.45
7.2.330.0070.01116.50
7.2.320.0030.01416.77
7.2.310.0080.00816.55
7.2.300.0030.01316.58
7.2.290.0060.01016.68
7.2.250.0120.00615.10
7.2.240.0030.01615.16
7.2.230.0070.00714.93
7.2.220.0100.00714.69
7.2.210.0090.00315.31
7.2.200.0060.00914.96
7.2.190.0110.00315.09
7.2.180.0000.01415.13
7.2.170.0040.00814.91
7.2.60.0030.00716.99
7.1.330.0030.01415.58
7.1.320.0130.00015.62
7.1.310.0030.01215.50
7.1.300.0100.00315.85
7.1.290.0000.01215.74
7.1.280.0030.00615.63
7.1.270.0050.00515.71
7.1.260.0040.01115.63
7.1.200.0050.00515.46
7.1.90.0090.00617.98
7.1.80.0080.00517.65
7.1.70.0040.00816.79
7.1.60.0200.00734.93
7.1.50.0070.01734.44
7.1.40.0210.00734.25
7.1.30.0160.01034.28
7.1.20.0090.01834.54
7.1.10.0030.00916.59
7.1.00.0090.00316.72
7.0.230.0030.00917.88
7.0.220.0030.01017.98
7.0.210.0060.00616.75
7.0.200.0030.00916.72
7.0.190.0110.00016.77
7.0.180.0040.00816.14
7.0.170.0060.00616.12
7.0.160.0030.00816.36
7.0.150.0040.00816.13
7.0.140.0090.00316.21
7.0.130.0060.00616.43
7.0.120.0030.00816.53
7.0.110.0060.00616.41
7.0.100.0030.00916.31
7.0.90.0030.00916.33
7.0.80.0000.01216.33
7.0.70.0040.00716.21
7.0.60.0090.00315.88
7.0.50.0000.01116.31
7.0.40.0060.01016.36
7.0.30.0000.01516.48
7.0.20.0030.00916.08
7.0.10.0000.01216.47
7.0.00.0040.00816.29

preferences:
50.2 ms | 401 KiB | 5 Q