3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( array_column( array( array( 'a' => null, 'b' => 16, ), ), 'a' ) );

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)
8.3.40.0090.00618.67
8.3.30.0100.00318.84
8.3.20.0040.00420.20
8.3.10.0080.00023.70
8.3.00.0000.00819.23
8.2.170.0070.00722.96
8.2.160.0070.00720.53
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.14
8.2.110.0120.00320.57
8.2.100.0040.00817.53
8.2.90.0030.00619.11
8.2.80.0040.00417.97
8.2.70.0070.00317.50
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0070.00018.22
8.2.30.0040.00417.99
8.2.20.0040.00417.49
8.2.10.0040.00417.89
8.2.00.0000.00917.54
8.1.270.0000.00822.14
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00321.87
8.1.230.0090.00320.91
8.1.220.0070.00017.74
8.1.210.0080.00018.77
8.1.200.0000.00917.23
8.1.190.0050.00317.28
8.1.180.0060.00318.10
8.1.170.0030.00518.54
8.1.160.0080.00021.90
8.1.150.0020.00518.37
8.1.140.0000.00817.37
8.1.130.0040.00417.81
8.1.120.0000.00717.40
8.1.110.0080.00017.32
8.1.100.0000.00717.34
8.1.90.0070.00017.15
8.1.80.0070.00017.32
8.1.70.0040.00417.28
8.1.60.0000.00817.40
8.1.50.0000.00817.38
8.1.40.0040.00417.41
8.1.30.0000.00817.49
8.1.20.0000.00717.42
8.1.10.0040.00417.38
8.1.00.0040.00417.29
8.0.300.0000.00718.77
8.0.290.0000.00716.92
8.0.280.0040.00418.36
8.0.270.0030.00517.19
8.0.260.0000.00617.04
8.0.250.0030.00316.79
8.0.240.0040.00416.89
8.0.230.0040.00416.86
8.0.220.0060.00016.76
8.0.210.0070.00016.63
8.0.200.0060.00016.86
8.0.190.0040.00416.76
8.0.180.0050.00316.77
8.0.170.0030.00516.73
8.0.160.0000.00816.79
8.0.150.0040.00416.59
8.0.140.0030.00416.74
8.0.130.0030.00313.18
8.0.120.0050.00216.77
8.0.110.0050.00316.73
8.0.100.0000.00716.78
8.0.90.0030.00516.79
8.0.80.0100.01016.76
8.0.70.0040.00416.80
8.0.60.0040.00416.80
8.0.50.0000.00716.64
8.0.30.0130.00816.85
8.0.20.0100.00817.40
8.0.10.0040.00416.69
8.0.00.0130.00516.69
7.4.330.0060.00015.00
7.4.320.0030.00316.45
7.4.300.0030.00316.43
7.4.290.0000.00716.41
7.4.280.0080.00016.36
7.4.270.0040.00416.38
7.4.260.0000.00716.47
7.4.250.0030.00616.43
7.4.240.0060.00216.52
7.4.230.0040.00416.27
7.4.220.0110.00616.55
7.4.210.0080.00616.45
7.4.200.0040.00416.36
7.4.190.0070.00016.57
7.4.160.0120.00416.48
7.4.150.0040.01317.40
7.4.140.0120.00717.86
7.4.130.0110.00616.43
7.4.120.0100.00816.38
7.4.110.0070.01016.41
7.4.100.0070.01016.43
7.4.90.0060.00916.44
7.4.80.0070.01419.39
7.4.70.0060.01016.23
7.4.60.0140.00416.33
7.4.50.0050.00316.43
7.4.40.0070.01122.77
7.4.30.0130.01016.46
7.4.10.0100.00514.90
7.4.00.0100.00814.69
7.3.330.0050.00012.89
7.3.320.0000.00513.07
7.3.310.0030.00316.00
7.3.300.0030.00316.17
7.3.290.0120.00616.17
7.3.280.0050.01016.16
7.3.270.0100.00717.40
7.3.260.0120.01216.10
7.3.250.0110.00916.25
7.3.240.0100.01016.33
7.3.230.0090.00916.42
7.3.210.0030.01416.46
7.3.200.0130.01019.39
7.3.190.0120.00616.41
7.3.180.0090.00616.39
7.3.170.0100.01016.27
7.3.160.0080.01416.24
7.3.130.0090.00914.69
7.3.120.0080.00914.52
7.3.110.0080.01114.59
7.3.100.0040.00914.74
7.3.90.0030.01114.38
7.3.80.0020.01114.85
7.3.70.0050.00914.64
7.3.60.0060.00814.71
7.3.50.0050.00714.48
7.3.40.0120.00214.62
7.3.30.0030.00614.57
7.3.20.0070.00516.54
7.3.10.0070.00716.45
7.3.00.0100.00316.55
7.2.330.0070.01016.44
7.2.320.0060.01016.44
7.2.310.0090.00916.52
7.2.300.0080.00816.46
7.2.290.0090.00616.09
7.2.260.0070.01214.92
7.2.250.0020.01614.92
7.2.240.0050.00914.89
7.2.230.0060.01014.90
7.2.220.0060.00814.82
7.2.210.0080.00814.73
7.2.200.0080.00814.63
7.2.190.0070.01014.86
7.2.180.0050.00914.74
7.2.170.0040.00914.92
7.2.160.0020.01014.75
7.2.150.0050.00816.62
7.2.140.0100.00516.57
7.2.130.0070.00716.69
7.2.120.0060.00516.71
7.2.110.0110.00616.73
7.2.100.0080.00716.69
7.2.90.0000.01516.67
7.2.80.0030.01216.70
7.2.70.0080.01016.60
7.2.60.0050.00816.54
7.2.50.0120.00216.62
7.2.40.0080.00516.71
7.2.30.0030.01016.74
7.2.20.0110.00516.87
7.2.10.0050.00916.71
7.2.00.0070.00517.56
7.1.330.0080.00615.59
7.1.320.0040.01015.61
7.1.310.0070.00715.54
7.1.300.0020.01215.66
7.1.290.0040.00915.60
7.1.280.0070.00715.49
7.1.270.0090.00415.70
7.1.260.0050.00515.58
7.1.250.0000.01115.53
7.1.240.0070.00415.57
7.1.230.0040.01215.71
7.1.220.0030.00915.70
7.1.210.0050.00515.67
7.1.200.0070.00515.65
7.1.190.0050.01115.43
7.1.180.0070.00615.66
7.1.170.0080.00815.56
7.1.160.0080.00415.64
7.1.150.0080.00615.60
7.1.140.0060.00515.73
7.1.130.0000.01415.68
7.1.120.0070.00615.57
7.1.110.0050.00615.81
7.1.100.0050.00816.32
7.1.90.0030.00915.79
7.1.80.0100.00515.60
7.1.70.0010.00916.10
7.1.60.0040.00716.10
7.1.50.0060.00916.00
7.1.40.0030.00715.66
7.1.30.0050.01015.63
7.1.20.0070.00615.77
7.1.10.0040.00915.52
7.1.00.0060.02917.79
7.0.330.0000.01015.34
7.0.320.0080.00615.14
7.0.310.0050.00715.27
7.0.300.0040.00915.20
7.0.290.0050.00915.37
7.0.280.0030.00615.24
7.0.270.0070.00915.12
7.0.260.0070.00615.30
7.0.250.0060.00515.38
7.0.240.0040.00815.35
7.0.230.0020.00815.50
7.0.220.0050.00315.18
7.0.210.0050.00915.33
7.0.200.0050.00715.68
7.0.190.0050.00815.20
7.0.180.0070.00715.15
7.0.170.0080.00615.12
7.0.160.0060.00615.18
7.0.150.0060.00515.31
7.0.140.0060.02917.48
7.0.130.0030.00615.31
7.0.120.0080.00515.17
7.0.110.0020.00915.21
7.0.100.0080.00415.28
7.0.90.0020.01115.34
7.0.80.0090.00515.25
7.0.70.0070.00615.27
7.0.60.0020.03616.77
7.0.50.0100.02216.20
7.0.40.0060.02515.58
7.0.30.0180.02815.44
7.0.20.0120.02715.56
7.0.10.0050.03415.58
7.0.00.0070.02915.50
5.6.400.0060.00313.96
5.6.390.0070.00314.13
5.6.380.0030.00814.34
5.6.370.0060.00514.27
5.6.360.0090.00513.93
5.6.350.0080.00414.13
5.6.340.0030.00613.85
5.6.330.0060.00814.15
5.6.320.0060.00614.22
5.6.310.0020.01014.14
5.6.300.0080.00814.19
5.6.290.0050.00714.19
5.6.280.0080.02616.50
5.6.270.0010.01114.19
5.6.260.0110.00413.97
5.6.250.0050.01014.24
5.6.240.0030.01014.26
5.6.230.0080.00514.25
5.6.220.0020.01014.03
5.6.210.0090.02216.20
5.6.200.0070.01815.57
5.6.190.0080.03316.28
5.6.180.0100.01816.14
5.6.170.0130.02016.39
5.6.160.0050.03216.22
5.6.150.0040.02715.51
5.6.140.0030.02315.54
5.6.130.0080.01415.38
5.6.120.0070.03016.41
5.6.110.0030.02216.39
5.6.100.0070.01916.49
5.6.90.0060.02016.43
5.6.80.0060.01716.21
5.6.70.0850.01916.36
5.6.60.0050.01013.84
5.6.50.0060.00913.87
5.6.40.0080.00814.12
5.6.30.0090.00613.95
5.6.20.0050.00814.00
5.6.10.0090.00414.22
5.6.00.0070.00514.13
5.5.380.0040.01013.90
5.5.370.0050.00914.06
5.5.360.0100.00513.76
5.5.350.0070.02916.40
5.5.340.0070.02415.42
5.5.330.0170.01416.06
5.5.320.0160.03116.07
5.5.310.0060.02116.27
5.5.300.0080.01915.32
5.5.290.0080.02615.38
5.5.280.0080.03016.31
5.5.270.0050.03116.24
5.5.260.0090.03116.19
5.5.250.0080.02516.13
5.5.240.0090.03616.12
5.5.230.0060.00814.02
5.5.220.0070.01014.18
5.5.210.0090.00713.98
5.5.200.0070.00613.97
5.5.190.0030.00814.00
5.5.180.0050.01114.17
5.5.170.0050.00714.13
5.5.160.0020.01213.98
5.5.150.0070.00613.83
5.5.140.0080.00813.90
5.5.130.0070.00814.16
5.5.120.0040.00713.90
5.5.110.0060.01013.94
5.5.100.0080.00313.84
5.5.90.0080.00613.96
5.5.80.0090.00214.06
5.5.70.0050.00813.97
5.5.60.0020.00814.16
5.5.50.0070.00513.85
5.5.40.0050.00814.09
5.5.30.0060.00914.02
5.5.20.0070.00614.09
5.5.10.0040.01113.90
5.5.00.0060.00414.27
5.4.450.0520.01813.64
5.4.440.0030.01813.60
5.4.430.0060.02013.69
5.4.420.0040.01713.60
5.4.410.0300.01913.63
5.4.400.0550.01913.57
5.4.390.0490.01813.58
5.4.380.0540.01613.47
5.4.370.0610.01813.63
5.4.360.0530.01713.56
5.4.350.0520.01613.49
5.4.340.0280.01613.49
5.4.330.0020.00610.64
5.4.320.0030.01713.52
5.4.310.0060.01513.50
5.4.300.0420.01713.49
5.4.290.0500.01613.51
5.4.280.0500.01713.50
5.4.270.0550.01613.60
5.4.260.0580.01813.52
5.4.250.0200.01713.55
5.4.240.0050.01513.45
5.4.230.0020.01713.49
5.4.220.0680.01713.57
5.4.210.0580.01513.55
5.4.200.0630.01413.48
5.4.190.0590.01713.54
5.4.180.0540.01613.51
5.4.170.0150.02213.56
5.4.160.0060.02413.56
5.4.150.0110.01513.44
5.4.140.0650.01712.56
5.4.130.0580.01712.64
5.4.120.0630.02012.57
5.4.110.0630.02112.74
5.4.100.0600.01512.54
5.4.90.0630.01612.55
5.4.80.0620.01812.61
5.4.70.0620.01712.55
5.4.60.0610.02012.54
5.4.50.0580.01712.67
5.4.40.0170.01512.58
5.4.30.0020.01912.54
5.4.20.0130.02612.73
5.4.10.0630.01912.64
5.4.00.0610.01712.40
5.3.290.0560.02011.90
5.3.280.0520.01611.81
5.3.270.0600.02211.89
5.3.260.0640.01911.82
5.3.250.0580.01811.87
5.3.240.0040.02611.85
5.3.230.0080.02711.80
5.3.220.0030.03011.83
5.3.210.0280.01511.76
5.3.200.0610.02111.84
5.3.190.0560.01611.83
5.3.180.0020.02111.85
5.3.170.0020.03211.82
5.3.160.0270.01511.90
5.3.150.0560.01611.85
5.3.140.0600.01711.85
5.3.130.0640.01711.83
5.3.120.0660.01611.81
5.3.110.0500.02011.82
5.3.100.0570.01911.68
5.3.90.0510.01811.65
5.3.80.0610.01511.62
5.3.70.0640.01711.61
5.3.60.0680.01411.65
5.3.50.0340.01511.61
5.3.40.0020.02011.61
5.3.30.0010.01711.64
5.3.20.0350.01711.49
5.3.10.0570.01711.50
5.3.00.0500.02011.35
5.2.170.1330.02711.08
5.2.160.1570.03311.05
5.2.150.1300.03011.19
5.2.140.1370.02310.98
5.2.130.1230.03310.96
5.2.120.1300.03011.28
5.2.110.1430.02711.05
5.2.100.1500.04310.95
5.2.90.1430.02311.03
5.2.80.1300.03311.11
5.2.70.0630.03311.17
5.2.60.0000.03710.88
5.2.50.0000.03711.04
5.2.40.0130.03010.83
5.2.30.1030.03310.86
5.2.20.1170.02710.84
5.2.10.1100.03010.77
5.2.00.1200.03010.61
5.1.60.1200.02710.11
5.1.50.1070.0239.88
5.1.40.1170.0409.90
5.1.30.1230.02710.35
5.1.20.1170.02710.26
5.1.10.1030.0279.92
5.1.00.1130.03710.18
5.0.50.0670.0278.60
5.0.40.0530.0208.37
5.0.30.0470.0338.19
5.0.20.0530.0178.32
5.0.10.0500.0208.21
5.0.00.0600.0338.04
4.4.90.0670.0207.70
4.4.80.0000.0277.70
4.4.70.0000.0177.70
4.4.60.0030.0377.70
4.4.50.0000.0377.70
4.4.40.0000.0537.70
4.4.30.0030.0377.70
4.4.20.0030.0277.70
4.4.10.0170.0207.70
4.4.00.0730.0377.70
4.3.110.0670.0237.70
4.3.100.0500.0137.70
4.3.90.0600.0207.70
4.3.80.0470.0277.70
4.3.70.0500.0177.70
4.3.60.0630.0177.70
4.3.50.0500.0177.70
4.3.40.0670.0377.70
4.3.30.0400.0237.70
4.3.20.0300.0177.70
4.3.10.0270.0137.70
4.3.00.0300.0207.70

preferences:
41.39 ms | 400 KiB | 5 Q