3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( 'key' => 'foo', 'key2' => 'bar', 0 => 'num_foo', 1 => 'num_bar' ); $new_array = array_filter ($arr, function($key) { return is_int($key); }, ARRAY_FILTER_USE_KEY); var_dump($new_array);

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)
8.3.60.0170.00016.38
8.3.50.0120.01021.13
8.3.40.0140.00418.72
8.3.30.0110.00418.54
8.3.20.0000.00720.20
8.3.10.0040.00423.48
8.3.00.0080.00023.65
8.2.180.0040.01518.16
8.2.170.0090.00622.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00419.54
8.2.110.0110.00921.80
8.2.100.0090.00919.13
8.2.90.0080.00919.48
8.2.80.0070.01019.04
8.2.70.0100.00618.34
8.2.60.0110.00718.43
8.2.50.0050.01118.38
8.2.40.0130.00519.95
8.2.30.0090.00719.30
8.2.20.0130.00418.38
8.2.10.0090.00918.57
8.2.00.0110.00618.74
8.1.280.0130.00725.92
8.1.270.0050.00324.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0110.00720.32
8.1.230.0090.01018.22
8.1.220.0110.00618.35
8.1.210.0150.00319.50
8.1.200.0130.00518.16
8.1.190.0110.00617.96
8.1.180.0100.00918.31
8.1.170.0100.00618.59
8.1.160.0120.00519.47
8.1.150.0120.00418.73
8.1.140.0130.00518.79
8.1.130.0080.00818.32
8.1.120.0120.00118.04
8.1.110.0110.00718.18
8.1.100.0090.00718.14
8.1.90.0090.00518.21
8.1.80.0060.00318.19
8.1.70.0040.00618.34
8.1.60.0050.00518.33
8.1.50.0060.00318.89
8.1.40.0010.00818.94
8.1.30.0050.00418.98
8.1.20.0070.00318.94
8.1.10.0040.00418.78
8.1.00.0050.00318.86
8.0.300.0050.00418.69
8.0.290.0020.00718.00
8.0.280.0050.00418.57
8.0.270.0060.00318.02
8.0.260.0100.00318.20
8.0.250.0060.00518.17
8.0.240.0060.00418.07
8.0.230.0040.00417.82
8.0.220.0040.00417.50
8.0.210.0030.00817.34
8.0.200.0070.00117.55
8.0.190.0070.00517.64
8.0.180.0090.00217.48
8.0.170.0060.00217.54
8.0.160.0030.00517.54
8.0.150.0040.00517.54
8.0.140.0050.00617.51
8.0.130.0040.00416.34
8.0.120.0050.00417.47
8.0.110.0040.00417.57
8.0.100.0050.00417.50
8.0.90.0040.00417.48
8.0.80.0090.00217.51
8.0.70.0000.01017.49
8.0.60.0080.00417.53
8.0.50.0100.00417.53
8.0.30.0090.00817.46
8.0.20.0110.00817.62
8.0.10.0100.00217.67
8.0.00.0070.01018.10
7.4.330.0070.00215.05
7.4.320.0080.00417.19
7.4.300.0080.00517.80
7.4.290.0050.00717.79
7.4.280.0090.00417.82
7.4.270.0050.01117.07
7.4.260.0080.00517.12
7.4.250.0070.00517.14
7.4.240.0080.00216.94
7.4.230.0100.00617.13
7.4.220.0100.00917.19
7.4.210.0090.00716.86
7.4.200.0100.00617.23
7.4.190.0110.01017.55
7.4.180.0100.01017.54
7.4.160.0130.00617.21
7.4.150.0130.00517.55
7.4.140.0060.01117.66
7.4.130.0120.00716.78
7.4.120.0100.01016.83
7.4.110.0220.01517.05
7.4.100.0150.01317.16
7.4.90.0220.00917.11
7.4.80.0230.01017.91
7.4.70.0180.00416.90
7.4.60.0210.00517.50
7.4.50.0130.01117.42
7.4.40.0160.00816.90
7.4.30.0150.00817.10
7.4.20.0170.00716.88
7.4.10.0150.00716.51
7.4.00.0060.00816.20
7.3.330.0090.00215.83
7.3.320.0190.00115.63
7.3.310.0160.00317.48
7.3.300.0110.00516.82
7.3.290.0090.00516.81
7.3.280.0100.00716.62
7.3.270.0120.00617.23
7.3.260.0150.00416.84
7.3.250.0130.00517.05
7.3.240.0160.00716.72
7.3.230.0140.00416.88
7.3.220.0170.00317.02
7.3.210.0140.00616.62
7.3.200.0130.00717.91
7.3.190.0160.00416.71
7.3.180.0150.00316.78
7.3.170.0100.00816.91
7.3.160.0090.00816.87
7.3.150.0120.00916.88
7.3.140.0160.00716.82
7.3.130.0160.00716.18
7.3.120.0160.00716.19
7.3.110.0140.00916.39
7.3.100.0120.00916.26
7.3.90.0140.00716.83
7.3.80.0110.00716.15
7.3.70.0100.00716.36
7.3.60.0100.00716.36
7.3.50.0090.00916.37
7.3.40.0100.00616.28
7.3.30.0130.00716.38
7.3.20.0150.00717.76
7.3.10.0190.00817.73
7.3.00.0080.00817.77
7.2.340.0100.00417.38
7.2.330.0210.00816.96
7.2.320.0190.00717.06
7.2.310.0210.00817.05
7.2.300.0210.00816.97
7.2.290.0170.01117.06
7.2.280.0260.00617.19
7.2.270.0220.00617.21
7.2.260.0160.00716.62
7.2.250.0150.00716.46
7.2.240.0170.00716.48
7.2.230.0140.00916.41
7.2.220.0180.00616.46
7.2.210.0160.00416.55
7.2.200.0130.00816.41
7.2.190.0120.00716.68
7.2.180.0140.00716.55
7.2.170.0140.00916.74
7.2.160.0190.00516.61
7.2.150.0200.01317.98
7.2.140.0180.00618.10
7.2.130.0210.00718.07
7.2.120.0180.00817.99
7.2.110.0150.01018.10
7.2.100.0180.00818.13
7.2.90.0180.01017.87
7.2.80.0200.00517.82
7.2.70.0230.00717.98
7.2.60.0130.01217.83
7.2.50.0150.01117.95
7.2.40.0160.01018.04
7.2.30.0180.00718.02
7.2.20.0120.00618.09
7.2.10.0190.00718.07
7.2.00.0080.00618.04
7.1.330.0070.00516.96
7.1.320.0170.00516.89
7.1.310.0170.00316.94
7.1.300.0160.00516.91
7.1.290.0200.00316.79
7.1.280.0140.00416.96
7.1.270.0110.01016.87
7.1.260.0190.00716.90
7.1.250.0180.00916.78
7.1.240.0190.00916.88
7.1.230.0190.00916.83
7.1.220.0220.00616.96
7.1.210.0230.00416.88
7.1.200.0170.00716.70
7.1.190.0230.00816.83
7.1.180.0150.01016.85
7.1.170.0150.00816.67
7.1.160.0150.01016.80
7.1.150.0130.00916.69
7.1.140.0110.01116.63
7.1.130.0130.00616.69
7.1.120.0140.00516.82
7.1.110.0150.00716.80
7.1.100.0140.00916.79
7.1.90.0150.00816.81
7.1.80.0140.00616.85
7.1.70.0120.00716.67
7.1.60.0170.00717.30
7.1.50.0200.00720.50
7.1.40.0160.00616.90
7.1.30.0100.00816.92
7.1.20.0190.00716.86
7.1.10.0170.00916.85
7.1.00.0160.02117.89
7.0.330.0200.00816.60
7.0.320.0190.01016.64
7.0.310.0210.00716.66
7.0.300.0240.00616.58
7.0.290.0200.00816.62
7.0.280.0190.00416.57
7.0.270.0210.00416.60
7.0.260.0190.00416.44
7.0.250.0140.00816.68
7.0.240.0100.00716.73
7.0.230.0150.00416.69
7.0.220.0190.00216.67
7.0.210.0210.00316.57
7.0.200.0460.00716.17
7.0.190.0150.01016.64
7.0.180.0190.00616.56
7.0.170.0170.00916.67
7.0.160.0170.00716.68
7.0.150.0210.00316.62
7.0.140.0190.00816.50
7.0.130.0250.00716.62
7.0.120.0200.00816.60
7.0.110.0140.00916.65
7.0.100.0130.00816.59
7.0.90.0190.00616.49
7.0.80.0150.00916.54
7.0.70.0220.00416.68
7.0.60.0160.01917.30
7.0.50.0140.01516.73
7.0.40.0170.01716.89
7.0.30.0180.01916.82
7.0.20.0170.01916.92
7.0.10.0170.01216.98
7.0.00.0100.01916.97
5.6.400.0150.00915.94
5.6.390.0140.00915.85
5.6.380.0180.00715.63
5.6.370.0180.00715.89
5.6.360.0170.00615.74
5.6.350.0160.00815.77
5.6.340.0130.00615.80
5.6.330.0110.00915.98
5.6.320.0090.00915.88
5.6.310.0130.00515.88
5.6.300.0110.00715.82
5.6.290.0110.00615.79
5.6.280.0110.02216.82
5.6.270.0100.00715.92
5.6.260.0120.00215.82
5.6.250.0100.00515.88
5.6.240.0120.00816.04
5.6.230.0060.00915.94
5.6.220.0120.00615.95
5.6.210.0110.01116.86
5.6.200.0100.02016.34
5.6.190.0140.01816.82
5.6.180.0090.01316.88
5.6.170.0150.01716.82
5.6.160.0110.02216.89
5.6.150.0070.02316.45
5.6.140.0080.02216.51
5.6.130.0100.01416.30
5.6.120.0060.01616.89
5.6.110.0110.02116.94
5.6.100.0110.01816.86
5.6.90.0070.02117.00
5.6.80.0100.02016.75
5.6.70.0100.00615.92
5.6.60.0080.00715.93
5.6.50.0090.00715.79
5.6.40.0090.00715.73
5.6.30.0070.00515.85
5.6.20.0080.00615.78
5.6.10.0080.00515.74
5.6.00.0150.00515.86
5.5.380.0150.00515.99
5.5.370.0160.00715.96
5.5.360.0150.00815.80
5.5.350.0960.01616.77
5.5.340.0140.02016.26
5.5.330.0130.01316.71
5.5.320.0210.01416.72
5.5.310.0150.02316.57
5.5.300.0120.02016.36
5.5.290.0110.02416.18
5.5.280.0130.01316.79
5.5.270.0120.01816.83
5.5.260.0140.01916.79
5.5.250.0120.01316.90
5.5.240.0170.01616.72
5.5.230.0170.00515.87
5.5.220.0150.00615.78
5.5.210.0130.00515.88
5.5.200.0140.00315.73
5.5.190.0120.00615.81
5.5.180.0130.00515.83
5.5.170.0080.00815.75
5.5.160.0090.00715.87
5.5.150.0120.00315.82
5.5.140.0090.00515.75
5.5.130.0100.00515.82
5.5.120.0080.00815.70
5.5.110.0060.01115.80
5.5.100.0070.00715.81
5.5.90.0090.00515.97
5.5.80.0120.00515.81
5.5.70.0090.00615.90
5.5.60.0090.00515.74
5.5.50.0080.00815.89
5.5.40.0120.00615.77
5.5.30.0090.00515.89
5.5.20.0100.00515.89
5.5.10.0100.00515.80
5.5.00.0090.00515.73

preferences:
52.52 ms | 401 KiB | 5 Q