3v4l.org

run code in 300+ PHP versions simultaneously
<?php $elements = array(1,2,3,1,2,4); foreach(array_unique($elements) as $el) { echo $el . PHP_EOL; }

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)
8.3.60.0150.00318.14
8.3.50.0140.00718.05
8.3.40.0040.01118.85
8.3.30.0090.00618.71
8.3.20.0000.00720.20
8.3.10.0060.00321.96
8.3.00.0040.00423.66
8.2.180.0070.00718.00
8.2.170.0080.00822.96
8.2.160.0030.01021.99
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0000.00819.66
8.2.110.0060.00322.07
8.2.100.0080.00317.72
8.2.90.0030.00522.38
8.2.80.0040.00417.97
8.2.70.0030.00517.79
8.2.60.0040.00417.93
8.2.50.0000.00718.16
8.2.40.0000.00820.59
8.2.30.0030.00521.05
8.2.20.0000.00718.05
8.2.10.0070.00018.09
8.2.00.0000.00818.05
8.1.280.0170.00325.92
8.1.270.0040.00421.69
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0070.00322.50
8.1.230.0080.00420.68
8.1.220.0000.00817.76
8.1.210.0030.00518.95
8.1.200.0030.00617.35
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0000.00818.56
8.1.160.0000.00718.79
8.1.150.0040.00420.13
8.1.140.0070.00017.74
8.1.130.0020.00520.70
8.1.120.0000.00717.45
8.1.110.0040.00417.48
8.1.100.0000.00717.34
8.1.90.0050.00317.46
8.1.80.0000.00717.52
8.1.70.0040.00417.42
8.1.60.0000.00717.58
8.1.50.0000.00817.53
8.1.40.0040.00417.50
8.1.30.0040.00417.64
8.1.20.0000.00817.54
8.1.10.0000.00817.49
8.1.00.0070.00417.41
8.0.300.0070.00019.77
8.0.290.0070.00416.63
8.0.280.0070.00018.36
8.0.270.0030.00317.21
8.0.260.0040.00418.40
8.0.250.0040.00416.98
8.0.240.0000.00816.96
8.0.230.0000.00716.89
8.0.220.0030.00316.96
8.0.210.0030.00316.90
8.0.200.0000.00716.88
8.0.190.0040.00416.94
8.0.180.0000.00716.89
8.0.170.0030.00316.97
8.0.160.0040.00416.91
8.0.150.0040.00416.86
8.0.140.0000.00916.86
8.0.130.0000.00513.27
8.0.120.0040.00416.83
8.0.110.0000.00816.78
8.0.100.0000.00716.82
8.0.90.0000.00716.84
8.0.80.0070.00716.82
8.0.70.0050.00316.95
8.0.60.0000.00816.71
8.0.50.0070.00017.00
8.0.30.0040.01316.92
8.0.20.0070.01317.41
8.0.10.0000.00716.84
8.0.00.0120.00716.74
7.4.330.0040.00415.55
7.4.320.0040.00416.51
7.4.300.0030.00316.63
7.4.290.0030.00316.64
7.4.280.0070.00016.55
7.4.270.0040.00416.58
7.4.260.0030.00316.56
7.4.250.0030.00316.57
7.4.240.0040.00416.49
7.4.230.0070.00016.62
7.4.220.0090.00916.59
7.4.210.0130.00716.63
7.4.200.0040.00416.58
7.4.160.0110.00816.43
7.4.150.0120.00617.40
7.4.140.0130.00617.86
7.4.130.0130.01016.58
7.4.120.0090.00916.46
7.4.110.0070.01016.55
7.4.100.0120.00616.55
7.4.90.0060.01416.37
7.4.80.0120.00819.39
7.4.70.0180.00416.41
7.4.60.0060.01016.54
7.4.50.0120.00316.06
7.4.40.0000.01716.50
7.4.30.0100.00616.50
7.4.10.0120.00614.60
7.4.00.0070.00815.06
7.3.330.0000.00613.20
7.3.320.0030.00312.98
7.3.310.0000.00716.42
7.3.300.0030.00316.13
7.3.290.0090.00916.26
7.3.280.0070.00916.27
7.3.270.0040.01817.40
7.3.260.0120.00916.34
7.3.250.0140.00416.32
7.3.240.0120.00716.37
7.3.230.0070.01316.33
7.3.210.0140.00316.42
7.3.200.0160.00016.35
7.3.190.0070.01016.65
7.3.180.0030.01316.38
7.3.170.0090.00916.29
7.3.160.0130.00316.48
7.3.130.0070.01014.84
7.3.120.0040.01414.71
7.3.110.0090.00914.95
7.3.100.0030.01014.79
7.3.90.0100.00614.83
7.3.80.0000.01014.69
7.3.70.0030.00614.63
7.3.60.0040.00714.80
7.3.50.0050.00514.91
7.3.40.0040.01114.91
7.3.30.0040.00414.54
7.3.20.0000.00916.66
7.3.10.0070.00616.57
7.3.00.0020.00916.58
7.2.330.0090.00916.64
7.2.320.0040.01416.59
7.2.310.0170.00016.66
7.2.300.0130.00316.72
7.2.290.0110.00516.61
7.2.260.0060.01315.10
7.2.250.0060.01314.96
7.2.240.0030.01015.02
7.2.230.0060.00914.89
7.2.220.0000.01515.09
7.2.210.0030.00915.06
7.2.200.0060.01015.19
7.2.190.0030.01014.92
7.2.180.0040.00414.92
7.2.170.0060.00915.01
7.2.160.0000.00915.07
7.2.150.0030.00916.94
7.2.140.0030.01316.53
7.2.130.0020.01316.93
7.2.120.0050.00716.94
7.2.110.0120.00116.90
7.2.100.0050.00916.83
7.2.90.0030.00917.07
7.2.80.0020.00916.90
7.2.70.0020.01316.99
7.2.60.0030.01016.76
7.2.50.0070.00316.75
7.2.40.0030.01117.10
7.2.30.0080.00516.92
7.2.20.0020.01016.89
7.2.10.0020.01316.71
7.2.00.0050.00516.99
7.1.330.0000.00815.47
7.1.320.0040.00815.89
7.1.310.0040.01215.59
7.1.300.0090.00615.68
7.1.290.0060.00315.72
7.1.280.0030.01215.80
7.1.270.0070.00715.81
7.1.260.0080.00615.80
7.1.250.0050.00715.81
7.1.240.0120.00315.95
7.1.230.0090.00315.90
7.1.220.0030.00915.88
7.1.210.0070.00415.95
7.1.200.0090.00415.76
7.1.190.0090.00615.65
7.1.180.0000.01215.82
7.1.170.0000.00815.58
7.1.160.0030.01315.71
7.1.150.0040.00715.92
7.1.140.0070.00715.81
7.1.130.0060.01215.86
7.1.120.0060.00615.80
7.1.110.0030.01015.91
7.1.100.0020.01116.79
7.1.90.0060.00716.99
7.1.80.0030.01217.15
7.1.70.0050.00716.46
7.1.60.0090.01425.53
7.1.50.0080.01525.24
7.1.40.0090.01225.14
7.1.30.0090.01125.14
7.1.20.0130.01225.32
7.1.10.0060.01016.10
7.1.00.0000.01316.30
7.0.330.0110.00315.32
7.0.320.0040.00715.34
7.0.310.0000.01515.50
7.0.300.0090.00315.27
7.0.290.0070.00715.40
7.0.280.0070.00715.01
7.0.270.0030.00715.36
7.0.260.0100.00315.48
7.0.250.0030.01015.31
7.0.240.0030.00816.54
7.0.230.0020.01216.73
7.0.220.0110.00416.35
7.0.210.0060.00616.06
7.0.200.0070.00816.13
7.0.190.0050.00515.93
7.0.180.0030.01015.75
7.0.170.0040.00915.83
7.0.160.0040.01215.96
7.0.150.0090.00915.74
7.0.140.0080.00615.75
7.0.130.0050.00715.86
7.0.120.0050.00815.87
7.0.110.0090.00415.85
7.0.100.0040.01115.97
7.0.90.0050.01015.89
7.0.80.0030.01115.93
7.0.70.0060.00815.75
7.0.60.0090.00415.81
7.0.50.0040.00815.87
7.0.40.0000.01515.03
7.0.30.0040.01315.14
7.0.20.0070.00615.11
7.0.10.0020.01514.95
7.0.00.0020.01114.95
5.6.400.0000.01714.54
5.6.390.0000.01514.34
5.6.380.0030.01414.32
5.6.370.0070.00414.40
5.6.360.0000.01514.45
5.6.350.0040.00914.17
5.6.340.0060.00614.39
5.6.330.0000.01314.24
5.6.320.0000.00914.38
5.6.310.0060.00614.20
5.6.300.0030.01314.57
5.6.290.0030.00914.18
5.6.280.0000.01314.48
5.6.270.0070.00314.44
5.6.260.0090.00914.26
5.6.250.0100.01014.20
5.6.240.0100.00614.09
5.6.230.0030.00714.10
5.6.220.0030.00714.39
5.6.210.0050.00814.42
5.6.200.0120.00614.09
5.6.190.0030.01614.17
5.6.180.0150.00314.28
5.6.170.0090.00914.19
5.6.160.0060.00614.63
5.6.150.0040.01214.35
5.6.140.0120.00314.40
5.6.130.0110.00314.01
5.6.120.0070.01014.11
5.6.110.0080.00814.26
5.6.100.0070.00714.12
5.6.90.0030.00614.56
5.6.80.0000.01114.13
5.6.70.0040.01114.27
5.6.60.0030.01214.37
5.6.50.0070.00714.05
5.6.40.0040.00414.18
5.6.30.0000.01114.35
5.6.20.0040.00814.15
5.6.10.0000.01114.31
5.6.00.0120.00014.41

preferences:
34.65 ms | 400 KiB | 5 Q