3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { var $i = 0; } class B extends A { var $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)
8.3.70.0030.01718.30
8.3.60.0110.00716.38
8.3.50.0070.01017.28
8.3.40.0140.00718.83
8.3.30.0070.00718.84
8.3.20.0030.00620.34
8.3.10.0050.00322.13
8.3.00.0060.00323.53
8.2.190.0090.00616.58
8.2.180.0100.00716.75
8.2.170.0110.00322.96
8.2.160.0070.00720.34
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0080.00019.36
8.2.120.0070.00026.35
8.2.110.0060.00320.82
8.2.100.0120.00018.09
8.2.90.0080.00019.07
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0000.00817.93
8.2.50.0080.00018.17
8.2.40.0060.00320.68
8.2.30.0040.00419.26
8.2.20.0000.00918.13
8.2.10.0080.00017.96
8.2.00.0040.00417.89
8.1.280.0100.01025.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00621.31
8.1.230.0040.00820.20
8.1.220.0080.00017.74
8.1.210.0000.00918.77
8.1.200.0060.00317.35
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0050.00318.61
8.1.160.0000.00818.76
8.1.150.0050.00220.11
8.1.140.0100.00019.58
8.1.130.0030.00320.51
8.1.120.0030.00417.35
8.1.110.0040.00417.40
8.1.100.0000.00817.43
8.1.90.0000.00717.41
8.1.80.0040.00417.39
8.1.70.0030.00317.42
8.1.60.0040.00417.56
8.1.50.0030.00517.48
8.1.40.0060.00317.48
8.1.30.0000.00717.52
8.1.20.0060.00317.45
8.1.10.0070.00017.48
8.1.00.0000.00817.51
8.0.300.0080.00018.77
8.0.290.0030.00616.75
8.0.280.0070.00018.52
8.0.270.0000.00717.23
8.0.260.0030.00320.15
8.0.250.0000.00717.00
8.0.240.0040.00416.92
8.0.230.0000.00716.92
8.0.220.0070.00016.84
8.0.210.0000.00716.76
8.0.200.0000.00816.82
8.0.190.0000.00716.91
8.0.180.0000.00816.87
8.0.170.0040.00416.90
8.0.160.0000.01116.81
8.0.150.0030.00616.78
8.0.140.0040.00416.80
8.0.130.0000.00613.28
8.0.120.0020.00516.71
8.0.110.0040.00416.75
8.0.100.0030.00416.89
8.0.90.0040.00416.87
8.0.80.0100.01016.85
8.0.70.0000.00716.91
8.0.60.0070.00016.73
8.0.50.0000.00716.86
8.0.30.0060.01316.98
8.0.20.0150.01117.40
8.0.10.0000.00816.79
8.0.00.0100.00716.78
7.4.330.0030.00315.55
7.4.320.0030.00316.57
7.4.300.0000.00616.55
7.4.290.0050.00316.36
7.4.280.0030.00616.50
7.4.270.0070.00016.57
7.4.260.0030.00516.42
7.4.250.0000.00716.41
7.4.240.0000.00716.43
7.4.230.0030.00316.49
7.4.220.0100.01016.34
7.4.210.0130.00716.55
7.4.200.0030.00316.46
7.4.160.0110.00816.42
7.4.150.0030.01517.40
7.4.140.0120.01017.86
7.4.130.0100.01016.58
7.4.120.0100.00916.45
7.4.110.0090.01216.41
7.4.100.0030.01716.58
7.4.90.0080.01216.54
7.4.80.0120.01219.39
7.4.70.0130.01016.47
7.4.60.0130.00316.32
7.4.50.0100.00716.34
7.4.40.0040.01116.41
7.4.30.0080.00816.33
7.4.00.0040.01414.81
7.3.330.0030.00313.08
7.3.320.0050.00013.26
7.3.310.0000.00716.23
7.3.300.0030.00316.21
7.3.290.0060.01116.29
7.3.280.0080.00916.25
7.3.270.0130.00317.40
7.3.260.0090.00916.51
7.3.250.0070.01016.36
7.3.240.0070.01116.41
7.3.230.0060.00916.63
7.3.210.0100.00716.62
7.3.200.0100.01016.49
7.3.190.0090.00616.33
7.3.180.0100.00716.35
7.3.170.0040.01216.52
7.3.160.0160.00616.34
7.3.10.0230.00516.67
7.3.00.0160.01016.58
7.2.330.0120.00616.60
7.2.320.0120.00616.76
7.2.310.0100.00616.76
7.2.300.0030.01416.50
7.2.290.0090.00916.85
7.2.130.0150.00817.04
7.2.120.0120.01217.03
7.2.110.0190.01116.70
7.2.100.0040.02017.11
7.2.90.0110.01117.11
7.2.80.0220.00716.99
7.2.70.0120.00816.79
7.2.60.0100.00416.74
7.2.50.0180.00316.80
7.2.40.0050.01416.88
7.2.30.0040.01216.96
7.2.20.0100.00716.77
7.2.10.0070.00716.57
7.2.00.0000.01516.67
7.1.250.0170.00715.70
7.1.200.0090.01315.13
7.1.90.0030.01018.05
7.1.80.0060.00618.06
7.1.70.0060.00917.07
7.1.60.0100.01635.10
7.1.50.0180.00734.43
7.1.40.0160.01034.29
7.1.30.0200.00734.42
7.1.20.0160.00934.47
7.1.10.0030.00916.45
7.1.00.0090.00316.51
7.0.230.0030.00917.83
7.0.220.0040.00817.89
7.0.210.0060.00616.71
7.0.200.0000.01216.83
7.0.190.0030.00916.82
7.0.180.0030.00916.24
7.0.170.0040.00816.13
7.0.160.0030.00916.28
7.0.150.0030.01016.00
7.0.140.0030.00916.32
7.0.130.0080.00316.38
7.0.120.0030.00816.50
7.0.110.0040.00816.34
7.0.100.0060.00616.39
7.0.90.0040.00816.16
7.0.80.0000.01116.40
7.0.70.0030.00916.43
7.0.60.0050.00516.10
7.0.50.0000.01216.42
7.0.40.0040.00816.64
7.0.30.0000.01216.40
7.0.20.0000.01216.57
7.0.10.0060.00616.52
7.0.00.0030.00916.12

preferences:
20.95 ms | 401 KiB | 5 Q