3v4l.org

run code in 300+ PHP versions simultaneously
<?php $empty = function(&$v) use (&$empty) { if (is_array($v)) { $v = array_filter($v, $empty); } elseif (!empty($v)) { $v = $v . 'modified'; } return !empty($v); }; $a = ['',['',['a', 'b'],'c'],'d']; $b = $a; var_dump(array_filter($b, $empty)); ?><hr><?php var_dump($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)
8.3.60.0070.01416.75
8.3.50.0130.00721.96
8.3.40.0120.00318.79
8.3.30.0100.00318.96
8.3.20.0040.00420.38
8.3.10.0000.00823.70
8.3.00.0000.00719.08
8.2.180.0000.01516.75
8.2.170.0120.00322.96
8.2.160.0100.00320.46
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0000.00820.85
8.2.110.0040.00422.11
8.2.100.0070.00719.45
8.2.90.0040.00419.21
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0060.00317.93
8.2.50.0030.01018.07
8.2.40.0050.00320.07
8.2.30.0040.00418.18
8.2.20.0040.00417.81
8.2.10.0040.00418.13
8.2.00.0030.00717.81
8.1.280.0110.00325.92
8.1.270.0040.00423.96
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0090.00022.24
8.1.230.0090.00319.09
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0100.00017.25
8.1.190.0060.00317.35
8.1.180.0030.00518.10
8.1.170.0050.00518.52
8.1.160.0050.00221.89
8.1.150.0000.00818.61
8.1.140.0070.00217.41
8.1.130.0000.00717.75
8.1.120.0080.00017.37
8.1.110.0000.00817.48
8.1.100.0000.00717.49
8.1.90.0050.00217.45
8.1.80.0000.00717.49
8.1.70.0070.00017.43
8.1.60.0000.00817.63
8.1.50.0000.00817.44
8.1.40.0000.00817.50
8.1.30.0000.01117.68
8.1.20.0040.00417.67
8.1.10.0040.00417.43
8.1.00.0070.00317.35
8.0.300.0070.00018.77
8.0.290.0040.00417.16
8.0.280.0030.00318.46
8.0.270.0060.00317.33
8.0.260.0100.00017.18
8.0.250.0000.00716.93
8.0.240.0000.00716.94
8.0.230.0000.00717.00
8.0.220.0000.00716.98
8.0.210.0040.00416.84
8.0.200.0030.00316.93
8.0.190.0000.00817.07
8.0.180.0000.00717.00
8.0.170.0050.00217.02
8.0.160.0040.00416.84
8.0.150.0030.00416.89
8.0.140.0040.00416.93
8.0.130.0060.00313.36
8.0.120.0040.00416.88
8.0.110.0050.00316.96
8.0.100.0040.00416.92
8.0.90.0050.00317.03
8.0.80.0060.01116.95
8.0.70.0040.00417.00
8.0.60.0040.00417.01
8.0.50.0050.00216.83
8.0.30.0160.00717.10
8.0.20.0130.00817.40
8.0.10.0080.00016.91
8.0.00.0160.00416.79
7.4.330.0000.00515.20
7.4.320.0040.00416.41
7.4.300.0030.00316.57
7.4.290.0070.00016.40
7.4.280.0040.00416.48
7.4.270.0040.00416.60
7.4.260.0000.00716.51
7.4.250.0040.00416.62
7.4.240.0030.00516.56
7.4.230.0050.00316.46
7.4.220.0150.00716.69
7.4.210.0100.00716.51
7.4.200.0000.00716.66
7.4.190.0030.00316.37
7.4.160.0090.01216.77
7.4.150.0090.01117.40
7.4.140.0170.00617.86
7.4.130.0080.01116.56
7.4.120.0100.00916.53
7.4.110.0110.00616.66
7.4.100.0140.00316.52
7.4.90.0070.01116.41
7.4.80.0090.00919.39
7.4.70.0090.01516.55
7.4.60.0030.01616.33
7.4.50.0000.00516.52
7.4.40.0090.01216.54
7.4.30.0100.00616.43
7.4.00.0090.00614.66
7.3.330.0050.00013.37
7.3.320.0030.00313.39
7.3.310.0000.00816.26
7.3.300.0000.00616.38
7.3.290.0170.00316.45
7.3.280.0150.00516.32
7.3.270.0090.00917.40
7.3.260.0140.00316.40
7.3.250.0120.00816.39
7.3.240.0090.01316.35
7.3.230.0160.00716.42
7.3.210.0130.00416.32
7.3.200.0100.00719.39
7.3.190.0030.01316.51
7.3.180.0110.00516.30
7.3.170.0000.01616.45
7.3.160.0080.01216.61
7.3.120.0070.01014.59
7.3.10.0120.00516.62
7.3.00.0090.00916.43
7.2.330.0140.00816.59
7.2.320.0110.00816.78
7.2.310.0090.01316.71
7.2.300.0120.00616.72
7.2.290.0080.00816.74
7.2.130.0090.00716.57
7.2.120.0040.01716.66
7.2.110.0130.00716.69
7.2.100.0070.00916.24
7.2.90.0140.00716.93
7.2.80.0170.00416.69
7.2.70.0030.01416.84
7.2.60.0110.00616.79
7.2.50.0060.00617.08
7.2.40.0160.00816.79
7.2.30.0120.00816.48
7.2.20.0080.00816.68
7.2.10.0080.01216.51
7.2.00.0050.01417.94
7.1.250.0060.01015.70
7.1.200.0040.01115.75
7.1.100.0110.00417.98
7.1.70.0040.00416.93
7.1.60.0070.01419.46
7.1.50.0100.01017.02
7.1.00.0070.07322.35
7.0.200.0040.00416.80
7.0.140.0000.08021.96
7.0.60.0070.08320.07
7.0.50.0130.07317.91
7.0.40.0070.08720.12
7.0.30.0070.05320.23
7.0.20.0230.08320.19
7.0.10.0400.05020.15
7.0.00.0100.07320.15
5.6.280.0030.07320.86
5.6.210.0030.08720.46
5.6.200.0130.08018.34
5.6.190.0070.06320.39
5.6.180.0130.05720.56
5.6.170.0330.06720.54
5.6.160.0130.07320.57
5.6.150.0030.09018.19
5.6.140.0000.06018.17
5.6.130.0070.03718.29
5.6.120.0130.07320.98
5.6.110.0030.04020.98
5.6.100.0100.04721.13
5.6.90.0030.04720.97
5.6.80.0070.07720.43
5.6.70.0270.07020.39
5.5.350.4530.04020.35
5.5.340.0100.06718.03
5.5.330.0130.07720.35
5.5.320.0000.08720.36
5.5.310.0330.07320.34
5.5.300.0030.05717.97
5.5.290.0000.06717.97
5.5.280.0030.08720.77
5.5.270.0070.04020.64
5.5.260.0130.03720.87
5.5.250.0070.08320.58
5.5.240.0070.07720.37
5.4.450.0200.05019.70
5.4.440.0170.06019.63
5.4.430.0170.07019.17
5.4.420.0070.06319.57
5.4.410.0300.04019.48
5.4.400.0200.06018.50
5.4.390.0170.05718.47
5.4.380.0200.05318.84
5.4.370.0130.03018.50
5.4.360.0130.03718.46
5.4.350.0090.04012.02
5.4.340.0050.03512.02
5.4.320.0060.03712.50
5.4.310.0100.04412.50
5.4.300.0070.03512.50
5.4.290.0170.09012.50
5.4.280.0080.06012.39
5.4.270.0080.06012.39
5.4.260.0070.06212.39
5.4.250.0190.10112.39
5.4.240.0300.11112.39
5.4.230.0150.08912.39
5.4.220.0120.08712.39
5.4.210.0250.07912.39
5.4.200.0110.05612.39
5.4.190.0090.04612.38
5.4.180.0150.07912.38
5.4.170.0110.08912.39
5.4.160.0070.04712.39
5.4.150.0120.05512.38
5.4.140.0080.05012.07
5.4.130.0140.07412.06
5.4.120.0120.08012.02
5.4.110.0090.09012.01
5.4.100.0200.09112.01
5.4.90.0050.05612.01
5.4.80.0150.07012.02
5.4.70.0140.05612.01
5.4.60.0130.07512.00
5.4.50.0170.08312.01
5.4.40.0150.07012.00
5.4.30.0130.06611.99
5.4.20.0150.06911.99
5.4.10.0150.08811.99
5.4.00.0140.09111.48
5.3.290.0060.05512.80
5.3.280.0120.08412.71
5.3.270.0240.08812.72
5.3.260.0180.08112.71
5.3.250.0170.07512.72
5.3.240.0120.08112.72
5.3.230.0100.04612.70
5.3.220.0090.04512.68
5.3.210.0060.04712.68
5.3.200.0190.04812.68
5.3.190.0090.07512.68
5.3.180.0140.07412.67
5.3.170.0090.05812.67
5.3.160.0110.05612.68
5.3.150.0090.08412.68
5.3.140.0110.07812.66
5.3.130.0150.07612.66
5.3.120.0150.06812.66
5.3.110.0110.06312.66
5.3.100.0160.09812.12
5.3.90.0100.05412.11
5.3.80.0170.08812.09
5.3.70.0170.08812.09
5.3.60.0120.07012.08
5.3.50.0120.03812.02
5.3.40.0240.08112.02
5.3.30.0070.04111.98
5.3.20.0070.04011.76
5.3.10.0090.03811.73
5.3.00.0110.03811.71
5.2.170.0100.0409.18
5.2.160.0030.0679.18
5.2.150.0170.0469.18
5.2.140.0140.0699.18
5.2.130.0110.0429.14
5.2.120.0040.0439.14
5.2.110.0080.0439.14
5.2.100.0100.0619.14
5.2.90.0150.0659.14
5.2.80.0160.0639.14
5.2.70.0070.0469.14
5.2.60.0140.0709.09
5.2.50.0100.0579.06
5.2.40.0070.0389.03
5.2.30.0070.0399.02
5.2.20.0090.0549.00
5.2.10.0070.0568.93
5.2.00.0160.0588.79
5.1.60.0080.0338.06
5.1.50.0070.0398.06
5.1.40.0160.0878.04
5.1.30.0160.0508.40
5.1.20.0090.0568.42
5.1.10.0090.0518.14
5.1.00.0100.0328.14
5.0.50.0110.0366.62
5.0.40.0090.0786.48
5.0.30.0040.0436.29
5.0.20.0060.0236.26
5.0.10.0040.0226.23
5.0.00.0050.0376.23
4.4.90.0040.0184.78
4.4.80.0030.0354.76
4.4.70.0120.0384.75
4.4.60.0020.0224.75
4.4.50.0080.0354.77
4.4.40.0060.0464.71
4.4.30.0050.0254.76
4.4.20.0140.0564.85
4.4.10.0120.0484.85
4.4.00.0050.0334.76
4.3.110.0080.0444.67
4.3.100.0060.0334.66
4.3.90.0070.0364.64
4.3.80.0100.0604.58
4.3.70.0080.0334.63
4.3.60.0170.0694.63
4.3.50.0060.0184.63
4.3.40.0030.0504.54
4.3.30.0120.0263.28
4.3.20.0050.0193.26
4.3.10.0080.0223.22
4.3.00.0030.0207.15

preferences:
46.36 ms | 401 KiB | 5 Q