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, ["0"=>0], '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)
8.3.40.0140.00418.69
8.3.30.0090.00618.38
8.3.20.0050.00220.33
8.3.10.0040.00423.53
8.3.00.0080.00019.73
8.2.170.0070.00722.96
8.2.160.0070.00720.57
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0040.00421.04
8.2.120.0040.00426.35
8.2.110.0000.01020.53
8.2.100.0000.01117.84
8.2.90.0080.00019.21
8.2.80.0050.00317.97
8.2.70.0030.00517.50
8.2.60.0040.00418.04
8.2.50.0030.00518.07
8.2.40.0000.00821.07
8.2.30.0060.00320.58
8.2.20.0000.00817.73
8.2.10.0050.00218.07
8.2.00.0000.00718.07
8.1.270.0130.00623.99
8.1.260.0090.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00323.86
8.1.230.0090.00320.74
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.48
8.1.190.0080.00017.70
8.1.180.0000.00718.10
8.1.170.0030.00618.72
8.1.160.0030.00620.79
8.1.150.0070.00018.98
8.1.140.0040.00419.64
8.1.130.0030.00517.67
8.1.120.0040.00417.54
8.1.110.0060.00317.38
8.1.100.0040.00417.45
8.1.90.0050.00217.48
8.1.80.0000.00717.35
8.1.70.0000.00717.40
8.1.60.0030.00517.48
8.1.50.0050.00317.42
8.1.40.0000.00917.60
8.1.30.0050.00317.69
8.1.20.0030.00517.56
8.1.10.0030.00617.42
8.1.00.0020.00517.43
8.0.300.0070.00020.06
8.0.290.0080.00016.63
8.0.280.0040.00418.52
8.0.270.0070.00017.18
8.0.260.0000.00717.29
8.0.250.0030.00317.02
8.0.240.0000.00716.99
8.0.230.0000.00716.95
8.0.220.0000.00716.91
8.0.210.0000.00716.81
8.0.200.0030.00316.86
8.0.190.0050.00216.88
8.0.180.0040.00416.79
8.0.170.0030.00516.89
8.0.160.0040.00416.92
8.0.150.0020.00516.90
8.0.140.0040.00416.73
8.0.130.0030.00313.37
8.0.120.0040.00416.83
8.0.110.0030.00516.88
8.0.100.0040.00416.94
8.0.90.0040.00416.88
8.0.80.0190.00316.79
8.0.70.0040.00416.89
8.0.60.0030.00516.75
8.0.50.0050.00216.73
8.0.30.0060.01217.13
8.0.20.0080.01317.40
8.0.10.0070.00016.86
8.0.00.0100.00916.76
7.4.330.0000.00516.91
7.4.320.0000.00716.44
7.4.300.0030.00316.38
7.4.290.0000.00716.55
7.4.280.0000.00816.66
7.4.270.0030.00316.67
7.4.260.0000.00816.52
7.4.250.0040.00416.59
7.4.240.0040.00416.62
7.4.230.0070.00016.52
7.4.220.0110.00716.56
7.4.210.0070.00716.57
7.4.200.0000.00716.64
7.4.160.0150.00016.58
7.4.150.0100.00717.40
7.4.140.0150.00917.86
7.4.130.0060.01216.50
7.4.120.0100.00816.54
7.4.110.0100.01416.43
7.4.100.0100.00716.38
7.4.90.0110.00616.55
7.4.80.0120.01219.39
7.4.70.0100.00716.68
7.4.60.0070.01016.72
7.4.50.0110.00416.46
7.4.40.0070.01016.75
7.4.30.0130.01016.67
7.4.00.0070.01014.87
7.3.330.0000.00513.30
7.3.320.0060.00013.31
7.3.310.0070.00016.16
7.3.300.0000.00716.26
7.3.290.0100.00516.27
7.3.280.0090.00716.32
7.3.270.0070.01117.40
7.3.260.0150.00916.46
7.3.250.0120.00816.33
7.3.240.0050.01116.39
7.3.230.0110.00716.43
7.3.210.0090.00916.37
7.3.200.0070.01116.41
7.3.190.0100.01316.23
7.3.180.0090.01316.31
7.3.170.0130.01016.49
7.3.160.0030.01316.39
7.3.120.0060.01014.59
7.3.110.0070.00714.92
7.3.100.0090.00314.89
7.3.90.0040.00414.82
7.3.80.0030.01014.74
7.3.70.0070.00314.63
7.3.60.0070.00314.89
7.3.50.0040.01214.90
7.3.40.0120.00314.77
7.3.30.0040.01114.86
7.3.20.0030.01016.71
7.3.10.0040.01016.84
7.3.00.0010.01216.63
7.2.330.0060.01616.77
7.2.320.0030.01616.56
7.2.310.0100.01116.75
7.2.300.0080.00816.71
7.2.290.0120.01216.46
7.2.250.0030.01214.70
7.2.240.0030.01515.14
7.2.230.0090.00615.14
7.2.220.0060.00614.82
7.2.210.0030.01414.92
7.2.200.0090.00614.92
7.2.190.0090.00615.12
7.2.180.0040.00715.11
7.2.170.0060.00915.04
7.2.130.0000.01417.00
7.2.120.0070.00716.75
7.2.110.0110.00316.76
7.2.100.0030.01316.97
7.2.90.0070.00716.75
7.2.80.0080.00616.91
7.2.70.0100.00017.01
7.2.60.0060.00817.04
7.2.50.0040.00817.05
7.2.40.0000.01316.95
7.2.30.0000.01116.50
7.2.20.0030.00616.57
7.2.10.0060.00616.86
7.2.00.0040.00917.97
7.1.330.0090.00615.79
7.1.320.0040.01216.01
7.1.310.0000.01115.85
7.1.300.0070.00715.96
7.1.290.0070.00715.61
7.1.280.0030.00615.50
7.1.270.0100.00315.53
7.1.260.0030.01015.55
7.1.250.0030.00915.96
7.1.200.0080.00415.78
7.1.100.0560.00715.44
7.1.70.0030.00617.03
7.1.60.0130.01019.50
7.1.50.0250.00017.00
7.1.00.0030.07722.31
7.0.200.0000.01116.82
7.0.60.0130.04319.90
7.0.50.0070.05717.89
7.0.40.0130.08020.30
7.0.30.0230.04720.08
7.0.20.0270.07720.09
7.0.10.0070.04020.21
7.0.00.0130.03720.17
5.6.210.0100.04320.54
5.6.200.0070.08018.12
5.6.190.0070.06020.61
5.6.180.0470.04020.61
5.6.170.0230.05320.48
5.6.160.0030.08020.51
5.6.150.0130.03018.29
5.6.140.0030.08718.18
5.6.130.0100.08018.14
5.6.120.0070.08320.98
5.6.110.0030.09020.98
5.6.100.0030.08320.99
5.6.90.0030.08021.02
5.6.80.0130.05720.39
5.5.350.0070.08020.40
5.5.340.0100.07018.07
5.5.330.0130.07720.38
5.5.320.0030.05020.31
5.5.310.0270.06720.43
5.5.300.0070.08318.08
5.5.290.0070.06017.95
5.5.280.0030.07320.65
5.5.270.0070.04020.89
5.5.260.0100.07020.89
5.5.250.0130.08020.69
5.5.240.0130.07720.26

preferences:
47.88 ms | 400 KiB | 5 Q