3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tags = array('a','test'); unset( $tags[array_search( '', $tags )] ); var_dump($tags);

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)
8.3.60.0140.00716.75
8.3.50.0100.00917.45
8.3.40.0100.00718.71
8.3.30.0070.01418.64
8.3.20.0040.00418.64
8.3.10.0040.00420.41
8.3.00.0040.00719.13
8.2.180.0070.01016.63
8.2.170.0100.01022.96
8.2.160.0130.00722.09
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0090.00619.95
8.2.110.0090.00021.12
8.2.100.0110.00017.78
8.2.90.0060.00319.27
8.2.80.0040.00417.93
8.2.70.0030.00617.63
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0040.00418.16
8.2.30.0040.00418.11
8.2.20.0000.00817.70
8.2.10.0050.00317.66
8.2.00.0070.00417.53
8.1.280.0070.01125.92
8.1.270.0020.00524.66
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0060.00322.52
8.1.230.0070.00420.96
8.1.220.0090.00017.74
8.1.210.0050.00318.82
8.1.200.0030.00617.22
8.1.190.0050.00217.50
8.1.180.0040.00418.10
8.1.170.0080.00018.74
8.1.160.0000.00718.76
8.1.150.0040.00418.60
8.1.140.0030.00617.39
8.1.130.0030.00317.75
8.1.120.0040.00417.40
8.1.110.0070.00017.37
8.1.100.0040.00417.27
8.1.90.0030.00317.42
8.1.80.0040.00417.41
8.1.70.0000.00817.26
8.1.60.0080.00317.55
8.1.50.0040.00417.33
8.1.40.0040.00417.50
8.1.30.0000.00717.45
8.1.20.0080.00017.54
8.1.10.0040.00417.43
8.1.00.0040.00417.35
8.0.300.0000.00819.98
8.0.290.0040.00416.63
8.0.280.0000.00718.31
8.0.270.0040.00417.18
8.0.260.0030.00316.73
8.0.250.0040.00416.79
8.0.240.0000.00716.86
8.0.230.0030.00316.81
8.0.220.0050.00216.71
8.0.210.0000.00816.87
8.0.200.0060.00016.89
8.0.190.0080.00016.88
8.0.180.0000.00716.89
8.0.170.0050.00316.75
8.0.160.0000.00716.78
8.0.150.0000.00716.73
8.0.140.0000.00716.69
8.0.130.0000.00513.29
8.0.120.0040.00416.82
8.0.110.0000.00816.69
8.0.100.0070.00016.82
8.0.90.0040.00416.82
8.0.80.0090.00616.77
8.0.70.0040.00416.86
8.0.60.0040.00416.68
8.0.50.0000.00716.72
8.0.30.0100.00917.17
8.0.20.0090.01017.02
8.0.10.0000.00716.91
8.0.00.0090.01116.64
7.4.330.0000.00512.98
7.4.320.0030.00316.48
7.4.300.0030.00316.38
7.4.290.0030.00616.48
7.4.280.0000.00716.50
7.4.270.0100.00016.57
7.4.260.0030.00313.21
7.4.250.0000.00816.48
7.4.240.0070.00016.39
7.4.230.0030.00316.38
7.4.220.0120.01216.39
7.4.210.0120.00516.56
7.4.200.0000.00816.57
7.4.190.0070.00016.55
7.4.160.0040.01416.37
7.4.150.0120.00616.29
7.4.140.0130.00716.52
7.4.130.0070.01316.49
7.4.120.0080.00916.48
7.4.110.0060.01116.46
7.4.100.0100.00716.46
7.4.90.0050.01316.62
7.4.80.0100.00716.41
7.4.70.0080.00916.34
7.4.60.0130.00316.59
7.4.50.0030.00616.39
7.4.40.0070.00516.41
7.4.30.0030.01316.38
7.4.00.0030.00814.61
7.3.330.0040.00413.11
7.3.320.0030.00313.11
7.3.310.0080.00016.15
7.3.300.0030.00316.19
7.3.290.0090.01216.16
7.3.280.0060.01116.23
7.3.270.0100.00716.11
7.3.260.0130.00616.24
7.3.250.0080.00816.36
7.3.240.0130.01016.18
7.3.230.0180.00416.26
7.3.210.0060.01216.25
7.3.200.0110.00919.39
7.3.190.0090.00916.44
7.3.180.0080.00816.46
7.3.170.0150.00616.28
7.3.160.0090.00916.39
7.3.120.0090.00314.98
7.3.10.0000.00916.14
7.3.00.0030.00716.42
7.2.330.0120.00616.44
7.2.320.0030.01516.55
7.2.310.0160.00516.24
7.2.300.0070.01016.47
7.2.290.0140.00316.36
7.2.130.0040.00816.85
7.2.120.0040.01116.57
7.2.110.0000.00916.57
7.2.100.0040.01216.66
7.2.90.0030.01016.46
7.2.80.0060.00316.77
7.2.70.0030.00616.69
7.2.60.0030.00916.44
7.2.50.0060.00616.60
7.2.40.0000.01216.88
7.2.30.0040.00416.68
7.2.20.0070.00416.73
7.2.10.0040.01116.63
7.2.00.0050.00917.91
7.1.250.0060.00615.94
7.1.200.0030.00315.36
7.1.100.0030.01318.05
7.1.70.0050.00517.12
7.1.60.0110.01519.40
7.1.50.0030.00916.61
7.1.00.0000.05722.54
7.0.200.0040.00714.90
7.0.140.0070.07322.15
7.0.120.0070.07322.11
7.0.60.0030.05019.77
7.0.50.0030.04017.85
7.0.40.0130.04320.32
7.0.30.0170.04320.30
7.0.20.0230.04020.24
7.0.10.0070.04320.09
7.0.00.0130.07320.02
5.6.280.0070.07020.91
5.6.210.0100.08320.48
5.6.200.0170.05018.08
5.6.190.0030.07020.63
5.6.180.0170.04320.41
5.6.170.0170.05720.48
5.6.160.0100.05020.38
5.6.150.0100.07318.18
5.6.140.0100.03718.12
5.6.130.0030.04318.04
5.6.120.0130.07320.99
5.6.110.0070.09021.13
5.6.100.0070.08321.07
5.6.90.0070.08720.93
5.6.80.0030.05320.37
5.5.350.4370.03320.45
5.5.340.0030.08317.92
5.5.330.0100.08020.15
5.5.320.0330.04020.29
5.5.310.0300.04720.29
5.5.300.0130.06717.91
5.5.290.0070.06017.96
5.5.280.0170.04320.78
5.5.270.0030.04320.88
5.5.260.0130.08020.86
5.5.250.0030.08020.78
5.5.240.0070.07020.25
5.4.450.0100.07019.41
5.4.440.0030.04719.46
5.4.430.0070.03719.46
5.4.420.0030.05719.50
5.4.410.0030.08319.35
5.4.400.0070.08019.08
5.4.390.0170.06719.09
5.4.380.0070.08019.16
5.4.370.0100.07318.79
5.4.360.0100.07019.14
5.4.350.0030.06019.14
5.4.340.0170.07018.79
5.4.320.0000.05719.18
5.4.310.0030.08019.14
5.4.300.0100.07018.92
5.4.290.0030.08018.80
5.4.280.0030.04018.78
5.4.270.0130.06019.18
5.4.260.0070.07319.18
5.4.250.0030.08018.91
5.4.240.0100.05319.11
5.4.230.0030.04019.00
5.4.220.0070.06719.14
5.4.210.0100.04019.17
5.4.200.0070.05019.07
5.4.190.0070.08318.88
5.4.180.0130.04018.91
5.4.170.0100.07319.10
5.4.160.0070.07319.12
5.4.150.0000.08719.15
5.4.140.0070.04716.34
5.4.130.0130.06316.19
5.4.120.0070.04016.34
5.4.110.0130.06716.36
5.4.100.0070.04316.14
5.4.90.0100.04016.36
5.4.80.0070.03316.24
5.4.70.0000.05016.29
5.4.60.0100.06316.29
5.4.50.0070.05316.21
5.4.40.0100.06316.41
5.4.30.0030.04316.26
5.4.20.0030.05016.31
5.4.10.0070.03316.34
5.4.00.0000.06015.65
5.3.290.0030.08014.54
5.3.280.0100.07714.55
5.3.270.0130.05014.48
5.3.260.0100.03314.58
5.3.250.0100.06714.42
5.3.240.0100.07714.53
5.3.230.0070.05714.52
5.3.220.0000.04714.54
5.3.210.0100.04014.49
5.3.200.0170.07014.49
5.3.190.0100.04314.48
5.3.180.0030.07714.50
5.3.170.0070.07314.44
5.3.160.0100.07014.35
5.3.150.0030.07314.54
5.3.140.0000.04314.48
5.3.130.0100.03314.50
5.3.120.0070.06014.50
5.3.110.0030.05014.46
5.3.100.0100.04313.96
5.3.90.0030.04013.94
5.3.80.0070.03313.94
5.3.70.0170.03013.95
5.3.60.0070.03313.98
5.3.50.0070.03313.80
5.3.40.0030.03313.89
5.3.30.0030.03313.84
5.3.20.0000.03713.65
5.3.10.0100.02713.59
5.3.00.0000.03713.47
5.2.170.0000.03011.12
5.2.160.0000.03011.00
5.2.150.0000.03011.07
5.2.140.0070.02711.13
5.2.130.0000.03010.96
5.2.120.0070.02711.04
5.2.110.0030.02710.97
5.2.100.0030.02711.03
5.2.90.0000.03011.11
5.2.80.0030.02711.26
5.2.70.0030.02711.04
5.2.60.0000.03011.02
5.2.50.0030.03310.95
5.2.40.0000.03010.81
5.2.30.0030.02710.79
5.2.20.0000.03010.90
5.2.10.0070.02310.86
5.2.00.0030.02710.71
5.1.60.0030.02010.00
5.1.50.0030.0239.98
5.1.40.0000.0239.87
5.1.30.0000.03010.33
5.1.20.0000.03710.34
5.1.10.0030.02310.06
5.1.00.0030.02310.02
5.0.50.0030.0178.69
5.0.40.0000.0208.38
5.0.30.0000.0338.27
5.0.20.0000.0208.10
5.0.10.0030.0178.13
5.0.00.0000.0438.21
4.4.90.0070.0107.86
4.4.80.0000.0137.86
4.4.70.0000.0177.86
4.4.60.0030.0177.86
4.4.50.0000.0137.86
4.4.40.0000.0237.86
4.4.30.0030.0137.86
4.4.20.0000.0177.86
4.4.10.0030.0177.86
4.4.00.0030.0237.86
4.3.110.0030.0137.86
4.3.100.0000.0137.86
4.3.90.0000.0137.86
4.3.80.0070.0207.86
4.3.70.0000.0177.86
4.3.60.0000.0207.86
4.3.50.0000.0177.86
4.3.40.0070.0177.86
4.3.30.0000.0137.86
4.3.20.0000.0177.86
4.3.10.0000.0137.86
4.3.00.0000.0137.86

preferences:
28.2 ms | 401 KiB | 5 Q