3v4l.org

run code in 300+ PHP versions simultaneously
<?php function key_compare_func($key1, $key2) { var_dump($key1, $key2, $key1 == $key2, $key1 > $key2); if ($key1 == $key2) return 0; else if ($key1 > $key2) return 1; else return -1; } $a=new stdClass; $a->{"0"}=1; $a->n=2; echo "key\n"; var_dump(array_diff_key((array)$a, [0])); echo "ukey\n"; var_dump(array_diff_ukey((array)$a, [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)
8.3.60.0090.00916.50
8.3.50.0000.01418.05
8.3.40.0090.00618.56
8.3.30.0110.00418.89
8.3.20.0040.00420.39
8.3.10.0030.00523.71
8.3.00.0000.00719.79
8.2.180.0120.00625.92
8.2.170.0100.01018.82
8.2.160.0030.01020.41
8.2.150.0080.00024.18
8.2.140.0020.00524.66
8.2.130.0030.00519.14
8.2.120.0080.00026.35
8.2.110.0060.00322.34
8.2.100.0090.00317.78
8.2.90.0080.00019.05
8.2.80.0040.00417.97
8.2.70.0110.00017.63
8.2.60.0040.00418.03
8.2.50.0080.00018.07
8.2.40.0040.00420.94
8.2.30.0050.00420.71
8.2.20.0070.00017.58
8.2.10.0040.00418.07
8.2.00.0040.00418.13
8.1.280.0060.00925.92
8.1.270.0060.00318.95
8.1.260.0070.00028.09
8.1.250.0000.00828.09
8.1.240.0060.00322.14
8.1.230.0070.00417.45
8.1.220.0000.00717.74
8.1.210.0000.01018.77
8.1.200.0040.00417.23
8.1.190.0080.00017.64
8.1.180.0000.00818.10
8.1.170.0040.00418.71
8.1.160.0040.00420.68
8.1.150.0070.00018.88
8.1.140.0030.00519.52
8.1.130.0050.00217.50
8.1.120.0000.00717.40
8.1.110.0040.00417.44
8.1.100.0000.00717.38
8.1.90.0060.00317.48
8.1.80.0070.00017.39
8.1.70.0030.00317.46
8.1.60.0040.00417.59
8.1.50.0040.00417.54
8.1.40.0080.00017.54
8.1.30.0040.00417.68
8.1.20.0040.00417.72
8.1.10.0000.00717.54
8.1.00.0000.00817.45
8.0.300.0040.00418.77
8.0.290.0080.00016.62
8.0.280.0040.00418.45
8.0.270.0070.00017.25
8.0.260.0000.00816.86
8.0.250.0030.00317.02
8.0.240.0000.00616.97
8.0.230.0000.00716.96
8.0.220.0030.00316.86
8.0.210.0040.00416.93
8.0.200.0000.00616.84
8.0.190.0040.00416.89
8.0.180.0000.00716.81
8.0.170.0050.00316.83
8.0.160.0040.00416.92
8.0.150.0000.00716.87
8.0.140.0070.00016.74
8.0.130.0030.00313.40
8.0.120.0060.00316.83
8.0.110.0060.00316.89
8.0.100.0000.00816.79
8.0.90.0070.00016.96
8.0.80.0030.01316.86
8.0.70.0040.00416.80
8.0.60.0040.00416.79
8.0.50.0040.00416.74
8.0.30.0080.01117.11
8.0.20.0090.01117.40
8.0.10.0040.00417.00
8.0.00.0110.00816.67
7.4.330.0020.00216.70
7.4.320.0030.00316.60
7.4.300.0030.00316.50
7.4.290.0040.00416.60
7.4.280.0080.00016.48
7.4.270.0030.00316.48
7.4.260.0040.00416.48
7.4.250.0030.00316.46
7.4.240.0040.00316.48
7.4.230.0030.00316.34
7.4.220.0070.01116.53
7.4.210.0090.01016.55
7.4.200.0030.00316.40
7.4.160.0090.00616.43
7.4.150.0070.01117.40
7.4.140.0130.01217.86
7.4.130.0090.01116.56
7.4.120.0120.00616.47
7.4.110.0130.00416.42
7.4.100.0000.01716.33
7.4.90.0070.01016.42
7.4.80.0060.01219.39
7.4.70.0120.00616.50
7.4.60.0100.00716.63
7.4.50.0040.01516.18
7.4.40.0160.00616.48
7.4.30.0090.01716.24
7.4.10.0140.00314.91
7.4.00.0030.01214.99
7.3.330.0000.00613.17
7.3.320.0070.00013.30
7.3.310.0000.00816.18
7.3.300.0030.00316.34
7.3.290.0060.00816.27
7.3.280.0070.01216.28
7.3.270.0110.01517.40
7.3.260.0090.00916.56
7.3.250.0140.00616.39
7.3.240.0060.01216.38
7.3.230.0130.01016.48
7.3.210.0130.00616.23
7.3.200.0110.00516.64
7.3.190.0070.01016.49
7.3.180.0110.00716.48
7.3.170.0030.01316.51
7.3.160.0100.00616.49
7.3.130.0080.00814.60
7.3.120.0030.01414.95
7.3.110.0040.01114.72
7.3.100.0060.00314.80
7.3.90.0090.00614.51
7.3.80.0030.00614.67
7.3.70.0030.01014.59
7.3.60.0090.00614.62
7.3.50.0000.00914.98
7.3.40.0040.00714.95
7.3.30.0040.00414.83
7.3.20.0070.01016.79
7.3.10.0050.00916.67
7.3.00.0110.00416.49
7.2.330.0120.01216.56
7.2.320.0120.00916.74
7.2.310.0060.01216.74
7.2.300.0140.00616.68
7.2.290.0090.00916.67
7.2.260.0080.00815.21
7.2.250.0030.01515.06
7.2.240.0160.00014.99
7.2.230.0040.01115.21
7.2.220.0060.00914.71
7.2.210.0030.01215.16
7.2.200.0060.00914.94
7.2.190.0120.00314.81
7.2.180.0060.00614.98
7.2.170.0060.00614.96
7.2.160.0040.00715.05
7.2.150.0060.00916.76
7.2.140.0090.00616.80
7.2.130.0080.00616.74
7.2.120.0060.00916.86
7.2.110.0100.00516.84
7.2.100.0090.00716.65
7.2.90.0110.00616.89
7.2.80.0060.00916.68
7.2.70.0060.01016.89
7.2.60.0090.00816.91
7.2.50.0080.00716.83
7.2.40.0080.00716.93
7.2.30.0090.00516.95
7.2.20.0110.00716.81
7.2.10.0050.01116.81
7.2.00.0070.00817.32
7.1.330.0100.00316.02
7.1.320.0070.00715.79
7.1.310.0080.00015.54
7.1.300.0000.01415.66
7.1.290.0030.00615.79
7.1.280.0060.00615.85
7.1.270.0110.00315.73
7.1.260.0100.00616.04
7.1.250.0080.00715.72
7.1.240.0090.00815.82
7.1.230.0050.00615.66
7.1.220.0090.00315.82
7.1.210.0050.00915.75
7.1.200.0090.00415.79
7.1.190.0050.00715.69
7.1.180.0070.00615.83
7.1.170.0080.00915.76
7.1.160.0080.00615.73
7.1.150.0090.00615.88
7.1.140.0070.00815.82
7.1.130.0110.00615.75
7.1.120.0100.00815.82
7.1.110.0090.00615.91
7.1.100.0250.00915.83
7.1.90.0100.00715.75
7.1.80.0090.00615.75
7.1.70.0100.00816.11
7.1.60.0090.00816.68
7.1.50.0100.00816.03
7.1.40.0060.00715.85
7.1.30.0070.00515.63
7.1.20.0090.00615.74
7.1.10.0090.00715.60
7.1.00.0070.02517.33
7.0.330.0060.00715.33
7.0.320.0060.00715.44
7.0.310.0070.00815.29
7.0.300.0090.00615.38
7.0.290.0090.01015.26
7.0.280.0120.00415.38
7.0.270.0080.01115.40
7.0.260.0060.00915.30
7.0.250.0080.01015.31
7.0.240.0080.00815.35
7.0.230.0090.00715.41
7.0.220.0090.00715.28
7.0.210.0040.01215.36
7.0.200.0060.00715.64
7.0.190.0070.00615.24
7.0.180.0070.01115.08
7.0.170.0160.00415.23
7.0.160.0100.00615.30
7.0.150.0100.00615.33
7.0.140.0060.01115.49
7.0.130.0080.01015.32
7.0.120.0070.00815.41
7.0.110.0070.00815.21
7.0.100.0090.00615.35
7.0.90.0070.00815.32
7.0.80.0070.00815.33
7.0.70.0080.00715.05
7.0.60.0110.02416.48
7.0.50.0090.02515.96
7.0.40.0040.02015.07
7.0.30.0120.01714.91
7.0.20.0090.02115.08
7.0.10.0080.01715.11
7.0.00.0050.03015.07
5.6.400.0000.01114.42
5.6.390.0090.00914.64
5.6.380.0030.00814.39
5.6.370.0060.00814.53
5.6.360.0050.01014.41
5.6.350.0050.01014.30
5.6.340.0060.00814.28
5.6.330.0060.01014.23
5.6.320.0040.01014.26
5.6.310.0060.00714.30
5.6.300.0070.00414.19
5.6.290.0070.00814.21
5.6.280.0030.01915.88
5.6.270.0110.00214.34
5.6.260.0050.00714.18
5.6.250.0070.00814.28
5.6.240.0060.01114.08
5.6.230.0080.00814.27
5.6.220.0090.00714.27
5.6.210.0070.01915.86
5.6.200.0080.02515.31
5.6.190.0060.02715.91
5.6.180.0170.02715.89
5.6.170.0160.01915.94
5.6.160.0040.02815.85
5.6.150.0070.01615.20
5.6.140.0060.02115.36
5.6.130.0090.02315.13
5.6.120.0030.02415.97
5.6.110.0030.02915.93
5.6.100.0040.02515.87
5.6.90.0030.02415.98
5.6.80.0060.02515.80
5.6.70.0060.00614.33
5.6.60.0040.01014.36
5.6.50.0030.01014.09
5.6.40.0060.00714.15
5.6.30.0080.00514.22
5.6.20.0030.01114.35
5.6.10.0080.01014.35
5.6.00.0050.01014.29
5.5.380.0050.00712.29
5.5.370.0060.00612.21
5.5.360.0060.00512.27
5.5.350.0060.02614.21
5.5.340.0070.01613.62
5.5.330.0040.01914.38
5.5.320.0050.02514.17
5.5.310.0110.02214.33
5.5.300.0090.01413.82
5.5.290.0030.02813.61
5.5.280.0090.02414.41
5.5.270.0040.02514.48
5.5.260.0080.02314.57
5.5.250.0110.02014.43
5.5.240.0100.01914.37
5.5.230.0070.00712.41
5.5.220.0070.00712.38
5.5.210.0090.00412.35
5.5.200.0050.00612.28
5.5.190.0080.00712.45
5.5.180.0080.00612.32
5.5.170.0100.00712.48
5.5.160.0030.01012.49
5.5.150.0020.01012.35
5.5.140.0030.00812.20
5.5.130.0070.00412.32
5.5.120.0070.00612.38
5.5.110.0060.00612.31
5.5.100.0050.00512.14
5.5.90.0050.00412.19
5.5.80.0020.01112.24
5.5.70.0080.00412.39
5.5.60.0070.00412.19
5.5.50.0020.00912.17
5.5.40.0030.00412.25
5.5.30.0060.00512.18
5.5.20.0070.00712.33
5.5.10.0050.00712.35
5.5.00.0070.00612.25

preferences:
49.66 ms | 400 KiB | 5 Q