3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array_unique(array('stringl','string'));if(-count($a)+2)echo'They match!';

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)
8.3.60.0040.01118.42
8.3.50.0120.00521.14
8.3.40.0070.00718.87
8.3.30.0110.00418.89
8.3.20.0040.00420.35
8.3.10.0030.00621.86
8.3.00.0020.00522.52
8.2.180.0060.01316.50
8.2.170.0030.01022.96
8.2.160.0170.00319.04
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0160.00326.16
8.2.120.0030.00519.36
8.2.110.0060.00321.00
8.2.100.0140.00019.57
8.2.90.0000.00719.05
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0080.00017.91
8.2.50.0070.00318.07
8.2.40.0080.00019.88
8.2.30.0030.00618.07
8.2.20.0040.00417.55
8.2.10.0000.00717.55
8.2.00.0060.00317.67
8.1.280.0130.00325.92
8.1.270.0040.00422.20
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0080.00420.88
8.1.230.0070.00319.16
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.51
8.1.180.0040.00418.75
8.1.170.0060.00317.96
8.1.160.0000.00722.13
8.1.150.0000.00718.61
8.1.140.0040.00417.35
8.1.130.0040.00417.69
8.1.120.0000.00717.36
8.1.110.0000.00717.47
8.1.100.0040.00417.32
8.1.90.0040.00417.45
8.1.80.0030.00317.49
8.1.70.0030.00317.34
8.1.60.0030.00617.45
8.1.50.0050.00317.41
8.1.40.0050.00217.40
8.1.30.0040.00417.57
8.1.20.0040.00417.61
8.1.10.0000.00717.43
8.1.00.0000.00817.48
8.0.300.0070.00018.77
8.0.290.0040.00417.05
8.0.280.0070.00018.34
8.0.270.0000.00717.27
8.0.260.0030.00316.69
8.0.250.0000.00716.82
8.0.240.0050.00216.84
8.0.230.0040.00316.77
8.0.220.0000.00716.81
8.0.210.0000.00716.80
8.0.200.0030.00316.89
8.0.190.0070.00016.91
8.0.180.0000.00716.67
8.0.170.0000.00716.82
8.0.160.0070.00016.74
8.0.150.0040.00416.76
8.0.140.0060.00316.82
8.0.130.0040.00413.30
8.0.120.0040.00416.86
8.0.110.0070.00016.86
8.0.100.0040.00416.72
8.0.90.0040.00416.86
8.0.80.0090.00916.93
8.0.70.0040.00416.73
8.0.60.0040.00416.77
8.0.50.0050.00316.73
8.0.30.0070.01217.15
8.0.20.0100.01017.40
8.0.10.0050.00216.88
8.0.00.0090.00916.79
7.4.330.0050.00015.00
7.4.320.0000.00616.58
7.4.300.0000.00716.58
7.4.290.0000.00716.45
7.4.280.0030.00316.58
7.4.270.0030.00316.50
7.4.260.0080.00016.42
7.4.250.0030.00316.60
7.4.240.0000.00716.53
7.4.230.0080.00016.60
7.4.220.0070.01716.67
7.4.210.0070.00916.63
7.4.200.0070.00016.30
7.4.190.0080.00016.35
7.4.160.0090.00916.57
7.4.150.0130.00917.40
7.4.140.0110.00617.86
7.4.130.0030.01416.50
7.4.120.0140.00516.46
7.4.110.0090.01316.50
7.4.100.0110.00716.55
7.4.90.0080.01016.41
7.4.80.0130.00319.39
7.4.70.0000.01816.43
7.4.60.0040.01116.46
7.4.50.0050.00316.41
7.4.40.0030.01322.77
7.4.30.0150.00016.50
7.4.00.0060.01014.73
7.3.330.0050.00013.09
7.3.320.0060.00013.05
7.3.310.0000.00716.08
7.3.300.0030.00316.30
7.3.290.0050.00916.30
7.3.280.0090.01116.29
7.3.270.0100.00617.40
7.3.260.0090.00916.53
7.3.250.0100.00816.23
7.3.240.0090.00916.44
7.3.230.0080.00916.39
7.3.210.0060.01216.30
7.3.200.0130.01319.39
7.3.190.0070.01416.34
7.3.180.0120.00316.32
7.3.170.0090.00616.50
7.3.160.0100.00716.39
7.3.120.0000.01414.93
7.3.10.0090.00316.40
7.3.00.0070.00716.41
7.2.330.0090.00916.75
7.2.320.0100.01016.33
7.2.310.0070.01016.59
7.2.300.0030.01316.55
7.2.290.0120.00916.40
7.2.130.0130.00016.83
7.2.120.0110.00416.65
7.2.110.0110.00716.86
7.2.100.0050.00516.78
7.2.90.0060.01016.97
7.2.80.0090.00316.56
7.2.70.0050.00316.94
7.2.60.0060.00616.85
7.2.50.0030.01116.79
7.2.40.0080.00316.74
7.2.30.0070.00717.00
7.2.20.0060.00316.86
7.2.10.0070.00716.84
7.2.00.0050.01118.02
7.1.250.0090.00015.70
7.1.200.0040.01115.66
7.1.100.0030.00617.59
7.1.70.0000.00716.80
7.1.60.0060.00917.16
7.1.50.0030.02016.83
7.1.00.0070.07022.28
7.0.200.0040.00416.73
7.0.140.0070.07022.06
7.0.70.2830.03019.91
7.0.60.0100.07319.85
7.0.50.0030.04317.82
7.0.40.0070.06320.30
7.0.30.0170.07320.18
7.0.20.0200.04319.97
7.0.10.0170.07020.21
7.0.00.0000.09320.16
5.6.280.0100.06321.07
5.6.210.0070.08020.52
5.6.200.0030.05718.21
5.6.190.0030.04720.60
5.6.180.0130.04320.59
5.6.170.0170.04720.71
5.6.160.0070.08720.32
5.6.150.0100.07718.13
5.6.140.0030.05018.11
5.6.130.0070.04018.16
5.6.120.0100.04720.93
5.6.110.0100.07721.00
5.6.100.0200.06321.07
5.6.90.0200.06321.09
5.6.80.0100.04020.53
5.6.70.0370.06020.49
5.5.350.0270.05720.40
5.5.340.0100.03317.91
5.5.330.0000.04720.20
5.5.320.0030.06320.14
5.5.310.0300.04720.18
5.5.300.0000.05018.01
5.5.290.0100.07017.91
5.5.280.0030.08020.87
5.5.270.0130.08020.86
5.5.260.0100.03720.79
5.5.250.0270.06720.74
5.5.240.0200.06720.25
5.4.450.0130.06019.59
5.4.440.0930.05719.57
5.4.430.1130.07019.24
5.4.420.0900.05319.54
5.4.410.0930.05719.50
5.4.400.0900.05719.29
5.4.390.0930.06319.15
5.4.380.0300.06718.55
5.4.370.0230.05018.57
5.4.360.0300.03318.61
5.4.350.0060.03911.97
5.4.340.0070.03711.96
5.4.320.0050.05212.45
5.4.310.0100.03312.45
5.4.300.0060.03712.45
5.4.290.0080.03612.45
5.4.280.0030.03912.35
5.4.270.0020.04012.34
5.4.260.0130.04718.85
5.4.250.0130.05318.89
5.4.240.0170.05718.93
5.4.230.0100.05018.75
5.4.220.0030.05718.77
5.4.210.0070.05318.98
5.4.200.0170.05318.83
5.4.190.0100.05019.00
5.4.180.0070.07018.88
5.4.170.0100.04718.82
5.4.160.0030.06318.77
5.4.150.0100.05018.91
5.4.140.0130.04316.26
5.4.130.0030.05016.48
5.4.120.0030.08016.25
5.4.110.0100.04716.41
5.4.100.0070.05016.45
5.4.90.0100.04316.34
5.4.80.0030.05016.33
5.4.70.0130.04316.47
5.4.60.0170.04016.40
5.4.50.0130.04316.34
5.4.40.0070.04716.22
5.4.30.0100.04316.17
5.4.20.0030.05016.47
5.4.10.0100.05016.47
5.4.00.0170.07015.68
5.3.290.0060.04112.80
5.3.280.0200.05714.48
5.3.270.0070.05314.30
5.3.260.0130.06714.45
5.3.250.0130.06314.61
5.3.240.0270.03014.38
5.3.230.0130.04314.60
5.3.220.0130.06014.65
5.3.210.0030.05714.58
5.3.200.0130.04314.40
5.3.190.0100.04714.40
5.3.180.0130.06014.62
5.3.170.0100.04714.57
5.3.160.0170.05714.42
5.3.150.0170.04714.40
5.3.140.0030.05314.60
5.3.130.0070.05014.43
5.3.120.0130.04714.48
5.3.110.0130.04714.70
5.3.100.0130.05714.05
5.3.90.0070.04714.02
5.3.80.0070.04714.06
5.3.70.0030.06013.80
5.3.60.0030.05314.01
5.3.50.0130.04313.96
5.3.40.0100.06713.86
5.3.30.0070.05013.88
5.3.20.0130.04013.71
5.3.10.0170.04313.66
5.3.00.0130.04313.41
5.2.170.0030.04711.09
5.2.160.0070.05011.03
5.2.150.0030.04011.04
5.2.140.0030.04011.14
5.2.130.0070.04011.03
5.2.120.0000.04311.01
5.2.110.0170.03010.98
5.2.100.0070.04011.02
5.2.90.0070.03711.12
5.2.80.0070.03710.97
5.2.70.0070.04010.93
5.2.60.0070.05010.96
5.2.50.0100.03311.08
5.2.40.0130.04710.75
5.2.30.0070.05711.00
5.2.20.0000.04310.96
5.2.10.0070.03710.84
5.2.00.0070.03710.56
5.1.60.0030.0339.93
5.1.50.0070.03010.05
5.1.40.0030.0379.86
5.1.30.0070.03010.41
5.1.20.0070.03310.28
5.1.10.0100.03010.02
5.1.00.0100.03310.15
5.0.50.0070.0238.77
5.0.40.0030.0338.16
5.0.30.0000.0437.99
5.0.20.0070.0208.14
5.0.10.0100.0278.36
5.0.00.0000.0438.19
4.4.90.0000.0237.35
4.4.80.0070.0177.35
4.4.70.0000.0237.35
4.4.60.0000.0237.35
4.4.50.0100.0137.35
4.4.40.0070.0307.35
4.4.30.0030.0207.35
4.4.20.0070.0177.35
4.4.10.0000.0237.35
4.4.00.0000.0477.35
4.3.110.0030.0207.35
4.3.100.0030.0307.35
4.3.90.0070.0277.35
4.3.80.0000.0337.35
4.3.70.0030.0177.35
4.3.60.0030.0207.35
4.3.50.0070.0237.35
4.3.40.0000.0337.35
4.3.30.0070.0177.35
4.3.20.0000.0237.35
4.3.10.0030.0237.35
4.3.00.0030.0237.30

preferences:
43.49 ms | 401 KiB | 5 Q