3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'string'; $b = 'string'; $tmp = array_unique(array($a, $b)); if (-count($tmp)+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)
8.3.60.0100.01018.55
8.3.50.0130.00316.24
8.3.40.0040.01118.54
8.3.30.0040.01219.18
8.3.20.0080.00020.04
8.3.10.0000.00921.97
8.3.00.0070.00020.58
8.2.180.0130.00616.50
8.2.170.0110.00322.96
8.2.160.0150.00019.16
8.2.150.0050.00224.18
8.2.140.0030.00624.66
8.2.130.0150.00326.16
8.2.120.0070.01119.45
8.2.110.0030.00622.21
8.2.100.0120.00017.84
8.2.90.0040.00419.22
8.2.80.0040.00418.01
8.2.70.0070.00417.50
8.2.60.0000.01018.04
8.2.50.0080.00018.07
8.2.40.0060.00319.79
8.2.30.0020.00518.04
8.2.20.0000.00717.52
8.2.10.0000.00717.67
8.2.00.0050.00217.73
8.1.270.0040.00822.14
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00824.01
8.1.230.0070.00419.09
8.1.220.0040.00417.78
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0050.00217.41
8.1.180.0060.00318.64
8.1.170.0090.00518.67
8.1.160.0000.00722.11
8.1.150.0040.00418.67
8.1.140.0000.00817.35
8.1.130.0030.00317.84
8.1.120.0000.00717.41
8.1.110.0060.00317.43
8.1.100.0040.00417.36
8.1.90.0000.00717.34
8.1.80.0070.00017.48
8.1.70.0000.00817.46
8.1.60.0000.00817.57
8.1.50.0030.00517.52
8.1.40.0040.00417.40
8.1.30.0030.00617.62
8.1.20.0040.00417.54
8.1.10.0050.00317.49
8.1.00.0000.00717.32
8.0.300.0000.00718.77
8.0.290.0030.00317.16
8.0.280.0030.00318.48
8.0.270.0000.00717.28
8.0.260.0060.00016.76
8.0.250.0030.00516.93
8.0.240.0040.00416.95
8.0.230.0040.00416.85
8.0.220.0030.00316.78
8.0.210.0000.00716.75
8.0.200.0030.00316.82
8.0.190.0000.00716.84
8.0.180.0030.00316.89
8.0.170.0040.00416.76
8.0.160.0040.00416.96
8.0.150.0080.00016.84
8.0.140.0030.00316.87
8.0.130.0000.00513.30
8.0.120.0000.00716.95
8.0.110.0070.00016.70
8.0.100.0030.00516.75
8.0.90.0000.00716.85
8.0.80.0130.00316.93
8.0.70.0070.00016.74
8.0.60.0050.00216.88
8.0.50.0050.00216.79
8.0.30.0170.00517.13
8.0.20.0100.00917.40
8.0.10.0000.00716.83
8.0.00.0140.00816.75
7.4.330.0050.00015.03
7.4.320.0000.00716.57
7.4.300.0030.00316.45
7.4.290.0070.00016.48
7.4.280.0030.00316.59
7.4.270.0030.00316.36
7.4.260.0070.00016.63
7.4.250.0040.00416.54
7.4.240.0040.00316.51
7.4.230.0050.00216.63
7.4.220.0100.01016.63
7.4.210.0070.00816.54
7.4.200.0040.00416.56
7.4.190.0000.00816.45
7.4.160.0030.01316.49
7.4.150.0130.00317.40
7.4.140.0080.00917.86
7.4.130.0160.00816.42
7.4.120.0100.00716.47
7.4.110.0100.00616.44
7.4.100.0110.00616.58
7.4.90.0080.00816.52
7.4.80.0120.00319.39
7.4.70.0110.01116.58
7.4.60.0090.00616.36
7.4.50.0050.00316.57
7.4.40.0120.00322.77
7.4.30.0060.01016.51
7.4.00.0040.00814.98
7.3.330.0000.00613.09
7.3.320.0000.00513.13
7.3.310.0000.00716.34
7.3.300.0030.00316.26
7.3.290.0060.00916.14
7.3.280.0090.00716.27
7.3.270.0100.00617.40
7.3.260.0190.00016.30
7.3.250.0130.00716.46
7.3.240.0160.00916.23
7.3.230.0130.00316.39
7.3.210.0070.01116.31
7.3.200.0070.01319.39
7.3.190.0140.00316.41
7.3.180.0070.01116.15
7.3.170.0070.01416.45
7.3.160.0100.00716.20
7.3.120.0070.00714.69
7.2.330.0060.01416.45
7.2.320.0110.00816.41
7.2.310.0110.00516.67
7.2.300.0130.00316.85
7.2.290.0070.01016.56
7.2.00.0000.01019.40
7.1.100.0040.00818.18
7.1.70.0070.00017.16
7.1.60.0130.01319.82
7.1.50.0070.01416.85
7.1.00.0030.05022.45
7.0.200.0060.00816.70
7.0.140.0000.07721.95
7.0.60.0070.07720.01
7.0.50.0070.08717.87
7.0.40.0100.03719.98
7.0.30.0370.07020.34
7.0.20.0400.07020.09
7.0.10.0300.06320.33
7.0.00.0000.04720.16
5.6.280.0030.07321.09
5.6.210.0030.06720.69
5.6.200.0030.09018.08
5.6.190.0100.07720.53
5.6.180.3730.04020.42
5.6.170.0230.05020.54
5.6.160.0030.07020.43
5.6.150.0100.03018.09
5.6.140.0070.04018.15
5.6.130.0030.08718.20
5.6.120.0100.03721.02
5.6.110.0030.04320.87
5.6.100.0030.04021.12
5.6.90.0200.07020.99
5.6.80.0100.06320.54
5.6.70.3430.03020.37
5.5.350.0270.03320.29
5.5.340.0100.06717.92
5.5.330.0170.07720.56
5.5.320.0230.05320.21
5.5.310.0230.08320.31
5.5.300.0030.05017.84
5.5.290.0070.08017.95
5.5.280.0100.04720.80
5.5.270.0070.04320.78
5.5.260.0070.04320.94
5.5.250.0070.06720.55
5.5.240.0130.06720.36
5.4.450.0800.05719.55
5.4.440.0600.05719.12
5.4.430.0100.05319.63
5.4.420.0700.05719.57
5.4.410.0870.05019.51
5.4.400.0530.04018.64
5.4.390.0300.05718.62
5.4.380.0170.05718.50
5.4.370.0170.05018.75
5.4.360.0200.04718.78
5.4.350.0200.05018.59
5.4.340.0130.05318.77
5.4.320.0080.03812.45
5.4.310.0060.04712.45
5.4.300.0060.04112.45
5.4.290.0070.03812.45
5.4.280.0100.03212.34
5.4.270.0060.04612.35
5.4.260.0100.04718.68
5.4.250.0030.05718.84
5.4.240.0130.04718.97
5.4.230.0100.05318.61
5.4.220.0100.05318.82
5.4.210.0070.05718.97
5.4.200.0030.08018.82
5.4.190.0030.06718.83
5.4.180.0030.06018.96
5.4.170.0100.05318.64
5.4.160.0130.04718.68
5.4.150.0100.05318.64
5.4.140.0100.05716.27
5.4.130.0030.05316.28
5.4.120.0100.04716.41
5.4.110.0200.05716.47
5.4.100.0100.06016.37
5.4.90.0130.06316.43
5.4.80.0030.05016.34
5.4.70.0000.05316.27
5.4.60.0030.05316.27
5.4.50.0030.05316.26
5.4.40.0100.04716.39
5.4.30.0070.05316.11
5.4.20.0070.05016.45
5.4.10.0070.05016.41
5.4.00.0070.06315.68
5.3.290.0060.04212.80
5.3.280.0030.05314.51
5.3.270.0070.05714.65
5.3.260.0030.05314.47
5.3.250.0070.07014.64
5.3.240.0000.06014.30
5.3.230.0130.06314.61
5.3.220.0070.07014.45
5.3.210.0130.07014.56
5.3.200.0100.07314.40
5.3.190.0100.04714.57
5.3.180.0100.04314.71
5.3.170.0030.05314.57
5.3.160.0070.05014.63
5.3.150.0030.05314.43
5.3.140.0100.05014.65
5.3.130.0070.05314.38
5.3.120.0070.05014.47
5.3.110.0070.05314.40
5.3.100.0130.04313.87
5.3.90.0030.05314.03
5.3.80.0000.05313.89
5.3.70.0100.04313.85
5.3.60.0030.05313.84
5.3.50.0070.05313.94
5.3.40.0070.04713.83
5.3.30.0070.04713.92
5.3.20.0070.04713.84
5.3.10.0070.04713.51
5.3.00.0100.06013.41
5.2.170.0000.05311.14
5.2.160.0000.04311.14
5.2.150.0070.03711.07
5.2.140.0000.04311.06
5.2.130.0170.02711.02
5.2.120.0030.04011.03
5.2.110.0030.05311.11
5.2.100.0000.04311.16
5.2.90.0030.04311.25
5.2.80.0130.03710.97
5.2.70.0070.04011.11
5.2.60.0070.04011.05
5.2.50.0030.06011.02
5.2.40.0100.03310.88
5.2.30.0100.04310.99
5.2.20.0000.04311.07
5.2.10.0130.05011.02
5.2.00.0100.03310.79
5.1.60.0100.02710.02
5.1.50.0070.03310.22
5.1.40.0030.0439.86
5.1.30.0070.03710.30
5.1.20.0070.03310.25
5.1.10.0070.03310.25
5.1.00.0000.04010.15
5.0.50.0130.0209.74
5.0.40.0030.0279.74
5.0.30.0070.0609.74
5.0.20.0070.0339.74
5.0.10.0100.0209.74
5.0.00.0070.0379.74
4.4.90.0000.0239.74
4.4.80.0000.0239.74
4.4.70.0000.0239.74
4.4.60.0070.0239.74
4.4.50.0030.0209.74
4.4.40.0000.0379.74
4.4.30.0000.0239.74
4.4.20.0030.0309.74
4.4.10.0070.0179.74
4.4.00.0030.0339.74
4.3.110.0000.0239.74
4.3.100.0100.0139.74
4.3.90.0070.0179.74
4.3.80.0070.0309.74
4.3.70.0070.0179.74
4.3.60.0100.0139.74
4.3.50.0030.0209.74
4.3.40.0070.0279.74
4.3.30.0000.0239.74
4.3.20.0000.0239.74
4.3.10.0070.0179.74
4.3.00.0200.0207.14

preferences:
48.9 ms | 400 KiB | 5 Q