3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function returnArray(){ return [0,1]; } function returnThis(){ return $this; } } $obj = new foo(); var_dump(isset($obj->returnArray()[1])); var_dump(isset($obj->returnThis()->returnArray()[1]));

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)
8.3.70.0140.00718.18
8.3.60.0130.00716.38
8.3.50.0070.01022.11
8.3.40.0110.00718.50
8.3.30.0130.00718.76
8.3.20.0070.00320.20
8.3.10.0040.00423.65
8.3.00.0040.00419.25
8.2.180.0060.01218.13
8.2.170.0120.00322.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00017.50
8.2.120.0070.00026.35
8.2.110.0040.00722.07
8.2.100.0070.00718.03
8.2.90.0000.00819.05
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0030.00517.80
8.2.50.0060.00318.07
8.2.40.0000.00719.05
8.2.30.0070.00020.63
8.2.20.0060.00317.70
8.2.10.0000.00718.12
8.2.00.0040.00417.98
8.1.280.0030.01025.92
8.1.270.0050.00322.19
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0100.00022.62
8.1.230.0040.00717.54
8.1.220.0030.00517.74
8.1.210.0090.00018.77
8.1.200.0030.00617.10
8.1.190.0040.00417.10
8.1.180.0000.00718.10
8.1.170.0000.00818.49
8.1.160.0000.00722.01
8.1.150.0000.00718.82
8.1.140.0050.00319.39
8.1.130.0030.00517.57
8.1.120.0050.00217.44
8.1.110.0040.00417.32
8.1.100.0040.00417.42
8.1.90.0070.00017.44
8.1.80.0080.00017.29
8.1.70.0030.00317.20
8.1.60.0030.00517.47
8.1.50.0040.00417.54
8.1.40.0050.00317.46
8.1.30.0040.00417.65
8.1.20.0000.00717.50
8.1.10.0000.00817.54
8.1.00.0030.00517.46
8.0.300.0070.00018.77
8.0.290.0030.00616.75
8.0.280.0070.00018.32
8.0.270.0040.00417.20
8.0.260.0030.00317.24
8.0.250.0080.00016.89
8.0.240.0040.00416.91
8.0.230.0000.00816.87
8.0.220.0050.00216.82
8.0.210.0040.00416.77
8.0.200.0000.00616.88
8.0.190.0040.00416.89
8.0.180.0040.00416.85
8.0.170.0050.00316.79
8.0.160.0040.00416.73
8.0.150.0040.00416.73
8.0.140.0000.00716.77
8.0.130.0000.00613.26
8.0.120.0050.00216.72
8.0.110.0040.00416.83
8.0.100.0040.00416.71
8.0.90.0040.00416.65
8.0.80.0100.00716.71
8.0.70.0070.00016.87
8.0.60.0000.00716.66
8.0.50.0040.00416.89
8.0.30.0110.00916.95
8.0.20.0080.01217.40
8.0.10.0040.00416.89
8.0.00.0110.00916.67
7.4.330.0050.00016.74
7.4.320.0060.00016.55
7.4.300.0000.00616.59
7.4.290.0050.00316.59
7.4.280.0000.00716.39
7.4.270.0040.00416.52
7.4.260.0070.00016.56
7.4.250.0000.00816.52
7.4.240.0030.00416.51
7.4.230.0030.00316.50
7.4.220.0100.00716.46
7.4.210.0060.00816.67
7.4.200.0030.00316.41
7.4.160.0110.00416.69
7.4.150.0300.02217.40
7.4.140.0130.00917.86
7.4.130.0100.00716.46
7.4.120.0070.01016.55
7.4.110.0100.01016.47
7.4.100.0060.01216.56
7.4.90.0140.00416.45
7.4.80.0100.01019.39
7.4.70.0100.01316.42
7.4.60.0160.00316.49
7.4.50.0070.00716.48
7.4.40.0120.00916.34
7.4.30.0130.00416.49
7.4.00.0030.01215.07
7.3.330.0060.00013.21
7.3.320.0050.00013.32
7.3.310.0000.00716.29
7.3.300.0080.00016.25
7.3.290.0080.00916.21
7.3.280.0070.01016.24
7.3.270.0120.00617.40
7.3.260.0130.00316.14
7.3.250.0110.00816.32
7.3.240.0110.00616.27
7.3.230.0100.00716.44
7.3.210.0130.00416.15
7.3.200.0130.00316.57
7.3.190.0070.01616.26
7.3.180.0170.00316.48
7.3.170.0150.00416.29
7.3.160.0100.00616.20
7.2.330.0070.01316.34
7.2.320.0100.01016.30
7.2.310.0070.01016.35
7.2.300.0070.01116.68
7.2.290.0100.01316.67
7.2.60.0100.00316.86
7.2.00.0060.00619.24
7.1.200.0000.00615.70
7.1.100.0040.00717.97
7.1.70.0030.00717.07
7.1.60.0100.01019.48
7.1.50.0130.01016.72
7.1.00.0030.07722.51
7.0.200.0080.00814.63
7.0.60.0030.08019.86
7.0.50.0070.05017.86
7.0.40.0130.04320.13
7.0.30.0230.04020.34
7.0.20.0230.08320.33
7.0.10.0100.08720.16
7.0.00.0100.05320.13
5.6.280.0000.06321.08
5.6.210.0100.08020.47
5.6.200.0000.04318.18
5.6.190.0030.07320.61
5.6.180.0230.08020.55
5.6.170.0330.07020.50
5.6.160.0070.04320.50
5.6.150.0100.07018.23
5.6.140.0100.07018.28
5.6.130.0030.04018.29
5.6.120.0030.05321.02
5.6.110.0070.08721.09
5.6.100.0130.03720.98
5.6.90.0170.04721.10
5.6.80.0030.04320.27
5.5.350.2270.04320.32
5.5.340.0030.05017.98
5.5.330.0170.07320.13
5.5.320.0430.07320.20
5.5.310.0200.04020.19
5.5.300.0070.08017.99
5.5.290.0130.07318.04
5.5.280.0070.07320.98
5.5.270.0130.03720.77
5.5.260.0070.08320.87
5.5.250.0030.04020.80
5.5.240.0170.08020.15

preferences:
55.45 ms | 401 KiB | 5 Q