3v4l.org

run code in 300+ PHP versions simultaneously
<?php function key_compare_func($key1, $key2) { if ($key1 == $key2) return 0; else if ($key1 > $key2) return 1; else return -1; } $a=new stdClass; $a->{"0"}=1; $a->n=2; var_dump(array_diff_key((array)$a, ["0"=>0])); var_dump(array_diff_ukey((array)$a, [], 'key_compare_func'));

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)
8.3.60.0140.00316.63
8.3.50.0190.00522.05
8.3.40.0000.01418.87
8.3.30.0080.00618.67
8.3.20.0040.00420.34
8.3.10.0030.00523.48
8.3.00.0050.00319.65
8.2.180.0090.00918.29
8.2.170.0100.01022.96
8.2.160.0070.00720.53
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00321.04
8.2.120.0050.00326.35
8.2.110.0150.00322.26
8.2.100.0060.00619.51
8.2.90.0000.00817.75
8.2.80.0040.00418.82
8.2.70.0030.00617.93
8.2.60.0000.01017.50
8.2.50.0050.00317.75
8.2.40.0080.00017.62
8.2.30.0040.00417.58
8.2.20.0080.00017.57
8.2.10.0040.00418.03
8.2.00.0050.00318.13
8.1.280.0070.01325.92
8.1.270.0040.00422.20
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0090.00023.91
8.1.230.0040.00719.23
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0080.00017.62
8.1.160.0000.00718.93
8.1.150.0080.00018.87
8.1.140.0030.00519.63
8.1.130.0030.00317.65
8.1.120.0050.00217.43
8.1.110.0030.00617.49
8.1.100.0050.00317.52
8.1.90.0040.00417.37
8.1.80.0030.00317.46
8.1.70.0000.00717.31
8.1.60.0000.00717.43
8.1.50.0000.00817.51
8.1.40.0000.00817.47
8.1.30.0030.00517.62
8.1.20.0040.00417.55
8.1.10.0030.00517.47
8.1.00.0030.00617.50
8.0.300.0060.00318.77
8.0.290.0050.00316.63
8.0.280.0000.00818.13
8.0.270.0000.00718.02
8.0.260.0030.00317.25
8.0.250.0000.00716.84
8.0.240.0000.00816.86
8.0.230.0030.00316.90
8.0.220.0030.00316.90
8.0.210.0060.00016.89
8.0.200.0070.00016.86
8.0.190.0080.00016.95
8.0.180.0040.00416.94
8.0.170.0000.00816.95
8.0.160.0040.00416.84
8.0.150.0000.00716.86
8.0.140.0000.00716.85
8.0.130.0000.00513.29
8.0.120.0030.00616.70
8.0.110.0040.00416.73
8.0.100.0000.00816.86
8.0.90.0040.00416.76
8.0.80.0060.01016.85
8.0.70.0040.00416.80
8.0.60.0050.00316.77
8.0.50.0000.00716.78
8.0.30.0070.01116.88
8.0.20.0150.00617.40
8.0.10.0000.00716.96
8.0.00.0100.00716.66
7.4.330.0020.00216.71
7.4.320.0000.00716.54
7.4.300.0000.00716.58
7.4.290.0000.00716.56
7.4.280.0050.00316.61
7.4.270.0030.00616.38
7.4.260.0000.00716.61
7.4.250.0000.00716.57
7.4.240.0030.00316.44
7.4.230.0030.00316.68
7.4.220.0060.01216.70
7.4.210.0070.00716.60
7.4.200.0070.00016.56
7.4.160.0040.01416.48
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0130.01216.50
7.4.120.0160.00316.55
7.4.110.0060.01216.59
7.4.100.0090.00916.51
7.4.90.0090.00916.46
7.4.80.0040.01819.39
7.4.70.0070.01016.53
7.4.60.0150.00316.66
7.4.50.0130.00016.30
7.4.40.0100.00716.47
7.4.30.0150.00916.55
7.4.00.0110.00615.01
7.3.330.0000.00513.14
7.3.320.0050.00013.30
7.3.310.0000.00816.31
7.3.300.0000.00716.35
7.3.290.0070.00816.31
7.3.280.0100.00916.29
7.3.270.0140.01017.40
7.3.260.0090.00916.42
7.3.250.0100.00916.45
7.3.240.0140.00416.44
7.3.230.0160.00016.39
7.3.210.0130.00316.32
7.3.200.0100.01316.36
7.3.190.0080.00316.60
7.3.180.0140.00416.34
7.3.170.0100.00616.57
7.3.160.0070.01016.52
7.3.120.0070.01114.96
7.3.110.0070.01014.43
7.3.100.0030.01714.76
7.3.90.0060.01214.68
7.3.80.0070.00714.56
7.3.70.0000.01214.77
7.3.60.0100.00314.89
7.3.50.0040.00714.40
7.3.40.0040.01114.85
7.3.30.0070.01014.73
7.3.20.0040.00716.60
7.3.10.0060.00616.43
7.3.00.0000.01216.68
7.2.330.0140.00616.67
7.2.320.0060.01216.64
7.2.310.0030.01216.63
7.2.300.0120.00416.78
7.2.290.0110.00716.61
7.2.250.0090.00915.10
7.2.240.0060.01314.96
7.2.230.0070.01315.05
7.2.220.0150.00314.86
7.2.210.0030.01314.69
7.2.200.0040.00415.23
7.2.190.0030.01014.99
7.2.180.0000.01514.94
7.2.170.0030.01014.93
7.2.80.0070.00716.47
7.2.60.0130.00516.74
7.2.00.0080.00418.84
7.1.330.0080.00815.75
7.1.320.0000.01415.61
7.1.310.0090.00015.77
7.1.300.0080.00415.82
7.1.290.0060.00615.68
7.1.280.0030.01015.58
7.1.270.0030.01015.75
7.1.260.0000.01015.79
7.1.200.0000.01015.66
7.1.100.0720.01115.69
7.1.70.0030.00617.16
7.1.60.0100.01419.50
7.1.50.0140.01016.63
7.1.00.0070.08322.32
7.0.200.0070.00716.54
7.0.60.0070.07320.03
7.0.50.0130.08017.86
7.0.40.0100.07720.21
7.0.30.0300.05320.24
7.0.20.0200.07720.10
7.0.10.0070.07020.10
7.0.00.0070.06020.20
5.6.280.0030.06320.91
5.6.210.0030.06020.50
5.6.200.0100.07018.29
5.6.190.0130.08320.48
5.6.180.0470.08020.48
5.6.170.0300.06320.62
5.6.160.0100.06720.50
5.6.150.0200.03318.15
5.6.140.0000.04718.15
5.6.130.0030.08718.16
5.6.120.0100.08021.12
5.6.110.0170.07321.10
5.6.100.0100.06720.98
5.6.90.0130.03721.09
5.6.80.0100.07020.49
5.5.350.0100.08020.45
5.5.340.0130.06317.99
5.5.330.0030.09020.45
5.5.320.0030.07720.52
5.5.310.0230.04720.25
5.5.300.0100.07017.97
5.5.290.0070.05717.95
5.5.280.0100.05020.88
5.5.270.0070.04020.87
5.5.260.0030.07720.78
5.5.250.0100.08020.61
5.5.240.0130.07320.16

preferences:
44.91 ms | 401 KiB | 5 Q