3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export(isset($array['does']['not']['exist']) ? $array['does']['not']['exist'] : 'nope'); echo "\n---\n"; var_export(isset($obj->does->not->exist) ? $obj->does->not->exist : 'nope');

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)
8.5.00.0140.01018.18
8.4.150.0080.00416.89
8.4.140.0220.00717.60
8.4.130.0170.00818.46
8.4.120.0260.00720.90
8.4.110.0240.00919.66
8.4.100.0250.00518.19
8.4.90.0240.00918.11
8.4.80.0200.00918.59
8.4.70.0270.00918.69
8.4.60.0180.00818.08
8.4.50.0190.00720.75
8.4.40.0280.01017.57
8.4.30.0220.01218.22
8.4.20.0270.00717.78
8.4.10.0210.01018.42
8.3.280.0130.00918.24
8.3.270.0190.01216.52
8.3.260.0230.00316.43
8.3.250.0130.00517.69
8.3.240.0180.00516.85
8.3.230.0180.00916.54
8.3.220.0270.00516.62
8.3.210.0250.00816.42
8.3.200.0170.00616.60
8.3.190.0210.01016.56
8.3.180.0220.00816.29
8.3.170.0230.01118.51
8.3.160.0240.01116.63
8.3.150.0250.00816.73
8.3.140.0220.00616.79
8.3.130.0150.00616.77
8.3.120.0180.00618.59
8.3.110.0180.00618.73
8.3.100.0250.01020.26
8.3.90.0260.00621.62
8.3.80.0250.00517.13
8.3.70.0280.00816.47
8.3.60.0190.00917.25
8.3.50.0250.00816.45
8.3.40.0240.00619.83
8.3.30.0190.00619.90
8.3.20.0210.00518.93
8.3.10.0180.00919.78
8.3.00.0170.00518.26
8.2.290.0200.00818.47
8.2.280.0190.01017.42
8.2.270.0140.00917.75
8.2.260.0160.00717.42
8.2.250.0150.00917.37
8.2.240.0200.00616.67
8.2.230.0160.00819.42
8.2.220.0190.00626.89
8.2.210.0220.00821.57
8.2.200.0160.00816.43
8.2.190.0200.00817.33
8.2.180.0270.00616.30
8.2.170.0190.00818.36
8.2.160.0250.00620.49
8.2.150.0310.00618.19
8.2.140.0170.00619.04
8.2.130.0200.00519.00
8.2.120.0190.00718.29
8.2.110.0200.00418.37
8.2.100.0170.00618.39
8.2.90.0140.00918.27
8.2.80.0150.00918.24
8.2.70.0160.00618.34
8.2.60.0170.00718.10
8.2.50.0180.00618.20
8.2.40.0200.00718.16
8.2.30.0160.00918.21
8.2.20.0180.00517.99
8.2.10.0190.00818.13
8.2.00.0160.00718.08
8.1.330.0220.00818.90
8.1.320.0220.00715.85
8.1.310.0210.00716.31
8.1.300.0180.00518.00
8.1.290.0160.00923.33
8.1.280.0170.01020.99
8.1.270.0190.00820.69
8.1.260.0180.00719.76
8.1.250.0170.00819.82
8.1.240.0160.00718.01
8.1.230.0200.00317.98
8.1.220.0140.00918.28
8.1.210.0150.00917.93
8.1.200.0140.00918.02
8.1.190.0150.00717.82
8.1.180.0210.00317.84
8.1.170.0170.00717.87
8.1.160.0190.00417.80
8.1.150.0160.00817.83
8.1.140.0170.00517.76
8.1.130.0140.00717.92
8.1.120.0190.00417.95
8.1.110.0190.00617.92
8.1.100.0190.00617.83
8.1.90.0200.00517.84
8.1.80.0140.00817.89
8.1.70.0200.00517.98
8.1.60.0160.00718.02
8.1.50.0180.00618.09
8.1.40.0170.00617.94
8.1.30.0210.00618.12
8.1.20.0150.00717.98
8.1.10.0200.00418.12
8.1.00.0190.00617.91

preferences:
30.12 ms | 403 KiB | 5 Q