3v4l.org

run code in 300+ PHP versions simultaneously
<?php $expected_array_got_string = 'test'; var_dump(isset($expected_array_got_string['jkjk'])); var_dump(isset($expected_array_got_string['jkjk'][0])); var_dump(isset($expected_array_got_string['jkjk'][0]['test'])); var_dump(isset($expected_array_got_string['jkjk']['test'][1])); var_dump(isset($expected_array_got_string['jkjk']['test'][0]));

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)
8.3.60.0140.00016.50
8.3.50.0090.00616.02
8.3.40.0070.01018.71
8.3.30.0140.00018.71
8.3.20.0030.00620.34
8.3.10.0040.00421.95
8.3.00.0040.00423.65
8.2.180.0140.00018.29
8.2.170.0140.00022.96
8.2.160.0110.00720.38
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00020.98
8.2.120.0040.00426.35
8.2.110.0060.00322.17
8.2.100.0060.00617.78
8.2.90.0050.00319.13
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0030.00618.04
8.2.50.0040.00918.09
8.2.40.0050.00322.15
8.2.30.0000.00719.45
8.2.20.0040.00417.63
8.2.10.0000.00717.97
8.2.00.0040.00418.02
8.1.280.0160.00625.92
8.1.270.0120.00322.14
8.1.260.0000.00728.09
8.1.250.0070.00028.09
8.1.240.0120.00022.08
8.1.230.0110.00022.13
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0030.00818.43
8.1.160.0040.00420.70
8.1.150.0040.00718.88
8.1.140.0000.00819.52
8.1.130.0000.00717.63
8.1.120.0080.00017.33
8.1.110.0060.00317.43
8.1.100.0040.00417.46
8.1.90.0040.00417.39
8.1.80.0030.00617.39
8.1.70.0000.00817.38
8.1.60.0000.00717.55
8.1.50.0060.00317.46
8.1.40.0030.00617.48
8.1.30.0000.00817.55
8.1.20.0050.00217.44
8.1.10.0000.00817.52
8.1.00.0040.00417.49
8.0.300.0040.00418.77
8.0.290.0000.00716.58
8.0.280.0070.00018.34
8.0.270.0000.00717.19
8.0.260.0070.00017.18
8.0.250.0000.00716.86
8.0.240.0070.00016.89
8.0.230.0030.00516.89
8.0.220.0000.01016.79
8.0.210.0030.00316.73
8.0.200.0030.00316.88
8.0.190.0070.00016.80
8.0.180.0060.00316.77
8.0.170.0040.00416.74
8.0.160.0040.00416.82
8.0.150.0030.00316.83
8.0.140.0070.00016.79
8.0.130.0000.00513.25
8.0.120.0000.00816.81
8.0.110.0040.00416.85
8.0.100.0040.00416.70
8.0.90.0050.00216.81
8.0.80.0090.00616.77
8.0.70.0040.00416.61
8.0.60.0070.00016.68
8.0.50.0040.00416.79
8.0.30.0120.00616.93
8.0.20.0110.01117.40
8.0.10.0040.00416.80
8.0.00.0090.01216.62
7.4.330.0030.00216.67
7.4.320.0040.00416.46
7.4.300.0000.00716.45
7.4.290.0070.00016.57
7.4.280.0000.00816.39
7.4.270.0000.00716.52
7.4.260.0000.00716.53
7.4.250.0070.00016.55
7.4.240.0000.00816.51
7.4.230.0030.00316.65
7.4.220.0070.01116.57
7.4.210.0080.00616.47
7.4.200.0000.00716.28
7.4.160.0150.00016.35
7.4.150.0180.00017.40
7.4.140.0110.00917.86
7.4.130.0100.01016.50
7.4.120.0070.01116.48
7.4.110.0110.00616.33
7.4.100.0070.01516.57
7.4.90.0080.00816.50
7.4.80.0030.01619.39
7.4.70.0070.01016.46
7.4.60.0100.01316.58
7.4.50.0060.00916.22
7.4.40.0150.00616.54
7.4.30.0110.00816.57
7.4.00.0090.00014.77
7.3.330.0050.00013.14
7.3.320.0050.00013.00
7.3.310.0000.00616.33
7.3.300.0050.00216.16
7.3.290.0070.00016.16
7.3.280.0100.00716.22
7.3.270.0070.01117.40
7.3.260.0180.00016.39
7.3.250.0130.00816.28
7.3.240.0080.00816.39
7.3.230.0140.00316.39
7.3.210.0070.01016.47
7.3.200.0100.00619.39
7.3.190.0120.01016.18
7.3.180.0160.00616.16
7.3.170.0130.00416.57
7.3.160.0060.00916.41
7.2.330.0090.00916.49
7.2.320.0130.00316.29
7.2.310.0070.01016.59
7.2.300.0070.01316.38
7.2.290.0060.01016.45
7.2.60.0120.00016.86
7.2.00.0080.00819.34
7.1.200.0040.00415.64
7.1.100.0000.01118.25
7.1.70.0000.01317.22
7.1.60.0140.01019.40
7.1.50.0070.01416.77
7.1.00.0070.07322.28
7.0.200.3150.00314.72
7.0.60.0230.07321.75
7.0.50.0100.03717.91
7.0.40.0130.07719.90
7.0.30.0230.04720.17
7.0.20.0300.07319.99
7.0.10.0000.05320.12
7.0.00.0130.07720.08
5.6.280.0000.04021.07
5.6.210.0170.03720.52
5.6.200.0230.06718.23
5.6.190.0100.08020.35
5.6.180.0400.05720.40
5.6.170.0230.05320.61
5.6.160.0100.03320.48
5.6.150.0030.08018.17
5.6.140.0070.06018.20
5.6.130.0030.08318.11
5.6.120.0070.05020.89
5.6.110.0070.04020.98
5.6.100.0000.04720.96
5.6.90.0100.06321.13
5.6.80.0170.07320.39
5.5.350.0330.05020.40
5.5.340.0070.06717.89
5.5.330.0030.05020.47
5.5.320.0600.07720.27
5.5.310.0270.07720.29
5.5.300.0100.05717.98
5.5.290.0100.08017.96
5.5.280.0070.05020.66
5.5.270.0070.06720.75
5.5.260.0100.08720.75
5.5.250.0000.04320.68
5.5.240.0200.03720.14

preferences:
54.59 ms | 400 KiB | 5 Q