3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array[0]['d'] = 'd1'; $array[0]['a'] = 'a1'; $array[1]['d'] = 'd2'; $array[1]['a'] = 'a2'; $array[2]['d'] = 'd3'; $array[2]['a'] = 'a3'; $array[3]['d'] = 'd1'; $array[3]['a'] = 'a1'; $keys = array_keys($array,"d1"); print_r($keys); ?>

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)
8.3.60.0100.00716.63
8.3.50.0100.00316.47
8.3.40.0090.00918.71
8.3.30.0140.00718.50
8.3.20.0070.00020.30
8.3.10.0080.00021.85
8.3.00.0040.00417.78
8.2.180.0130.00718.41
8.2.170.0120.00622.96
8.2.160.0000.01420.58
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0020.00520.52
8.2.120.0040.00426.35
8.2.110.0100.00020.51
8.2.100.0060.00617.91
8.2.90.0050.00319.22
8.2.80.0080.00017.97
8.2.70.0080.00017.63
8.2.60.0050.00317.93
8.2.50.0040.00418.10
8.2.40.0040.00422.32
8.2.30.0040.00420.95
8.2.20.0040.00418.09
8.2.10.0040.00417.94
8.2.00.0070.00017.97
8.1.280.0040.01125.92
8.1.270.0070.00022.06
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00320.90
8.1.230.0060.00619.09
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.13
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0000.00818.36
8.1.160.0000.00718.93
8.1.150.0000.00720.48
8.1.140.0060.00519.43
8.1.130.0030.00318.78
8.1.120.0000.00817.42
8.1.110.0000.00717.38
8.1.100.0050.00317.40
8.1.90.0000.00817.32
8.1.80.0070.00017.38
8.1.70.0000.00717.36
8.1.60.0030.00517.43
8.1.50.0040.00417.47
8.1.40.0040.00417.48
8.1.30.0080.00317.63
8.1.20.0040.00417.57
8.1.10.0000.00717.51
8.1.00.0050.00517.47
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0080.00018.32
8.0.270.0040.00417.10
8.0.260.0000.00716.63
8.0.250.0030.00316.86
8.0.240.0050.00316.77
8.0.230.0000.00716.89
8.0.220.0030.00516.74
8.0.210.0030.00316.87
8.0.200.0030.00516.72
8.0.190.0080.00016.77
8.0.180.0000.00816.85
8.0.170.0070.00016.91
8.0.160.0000.00716.85
8.0.150.0000.00716.77
8.0.140.0000.00716.71
8.0.130.0050.00013.25
8.0.120.0000.00716.80
8.0.110.0000.00816.84
8.0.100.0040.00416.85
8.0.90.0030.00316.83
8.0.80.0070.01016.83
8.0.70.0080.00016.80
8.0.60.0040.00416.84
8.0.50.0030.00516.72
8.0.30.0050.01216.99
8.0.20.0110.01117.40
8.0.10.0040.00416.99
8.0.00.0100.00716.71
7.4.330.0000.00515.55
7.4.320.0030.00316.46
7.4.300.0000.00716.52
7.4.290.0000.00716.55
7.4.280.0030.00616.45
7.4.270.0000.00716.45
7.4.260.0000.00613.29
7.4.250.0070.00016.42
7.4.240.0000.00816.34
7.4.230.0030.00316.32
7.4.220.0040.01516.43
7.4.210.0070.00716.51
7.4.200.0000.00716.47
7.4.160.0100.00916.43
7.4.150.0100.00917.40
7.4.140.0100.00717.86
7.4.130.0070.01016.50
7.4.120.0100.00916.34
7.4.110.0070.01016.58
7.4.100.0130.00316.39
7.4.90.0060.00916.39
7.4.80.0140.00319.39
7.4.70.0060.00916.41
7.4.60.0040.01216.23
7.4.50.0080.00416.23
7.4.40.0160.00016.35
7.4.30.0060.00916.39
7.4.00.0080.00814.61
7.3.330.0060.00013.13
7.3.320.0000.00613.04
7.3.310.0000.00716.28
7.3.300.0000.00716.05
7.3.290.0070.00015.98
7.3.280.0070.01016.20
7.3.270.0090.00917.40
7.3.260.0110.00616.38
7.3.250.0100.01116.33
7.3.240.0150.00616.21
7.3.230.0160.00716.27
7.3.210.0130.00316.25
7.3.200.0000.01716.38
7.3.190.0090.00616.43
7.3.180.0110.00616.45
7.3.170.0060.01216.25
7.3.160.0000.01616.31
7.3.10.0040.00416.09
7.3.00.0000.01116.76
7.2.330.0060.01116.55
7.2.320.0100.00716.30
7.2.310.0030.01316.46
7.2.300.0130.00916.69
7.2.290.0140.00716.69
7.2.130.0130.00316.56
7.2.120.0170.00016.81
7.2.110.0090.00916.89
7.2.100.0060.00616.93
7.2.90.0030.00516.90
7.2.80.0130.00716.70
7.2.70.0120.00616.71
7.2.60.0060.00716.77
7.2.50.0060.00616.96
7.2.40.0030.01016.71
7.2.30.0120.00416.89
7.2.20.0160.00016.85
7.2.10.0030.00716.65
7.2.00.0080.00617.99
7.1.250.0030.00715.82
7.1.240.0060.00315.79
7.1.230.0130.00315.66
7.1.220.0050.00515.62
7.1.210.0110.00015.75
7.1.200.0030.00815.49
7.1.190.0070.00415.81
7.1.180.0100.00715.93
7.1.170.0000.01315.81
7.1.160.0040.01115.47
7.1.150.0100.00715.74
7.1.140.0030.01015.86
7.1.130.0030.01315.71
7.1.120.0140.00015.72
7.1.110.0090.00415.63
7.1.100.0080.00916.90
7.1.90.0000.01415.77
7.1.80.0090.00915.82
7.1.70.0020.01216.50
7.1.60.0170.00925.46
7.1.50.0140.01025.13
7.1.40.0150.00825.05
7.1.30.0110.01125.06
7.1.20.0130.01025.19
7.1.10.0070.00616.01
7.1.00.0070.00716.03
7.0.330.0030.00715.38
7.0.320.0130.00915.30
7.0.310.0000.01315.07
7.0.300.0090.00315.14
7.0.290.0030.00915.21
7.0.280.0090.00615.08
7.0.270.0100.00315.14
7.0.260.0120.00315.00
7.0.250.0110.00315.29
7.0.240.0080.00415.34
7.0.230.0070.00715.49
7.0.220.0090.00315.30
7.0.210.0040.00715.30
7.0.200.0050.00716.01
7.0.190.0020.01115.86
7.0.180.0080.00715.63
7.0.170.0080.00415.79
7.0.160.0060.00615.85
7.0.150.0090.00515.75
7.0.140.0080.00715.73
7.0.130.0100.00415.80
7.0.120.0020.01215.96
7.0.110.0050.00915.64
7.0.100.0060.01215.80
7.0.90.0100.00715.70
7.0.80.0030.01115.82
7.0.70.0060.01015.77
7.0.60.0020.01415.63
7.0.50.0060.01115.83
7.0.40.0070.00614.90
7.0.30.0050.01114.90
7.0.20.0070.00514.84
7.0.10.0050.00914.89
7.0.00.0080.01014.91
5.6.380.0070.00714.63

preferences:
45.68 ms | 401 KiB | 5 Q