3v4l.org

run code in 300+ PHP versions simultaneously
<?php $alpha = 'aabbccddeeffgghhiijjkk'; $alphaArray = str_split($alpha); $uniqArray = array_unique($alphaArray); var_dump($uniqArray);

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)
8.3.60.0120.00318.30
8.3.50.0110.00416.28
8.3.40.0120.00318.38
8.3.30.0120.00318.59
8.3.20.0020.00520.22
8.3.10.0100.00021.78
8.3.00.0040.00421.98
8.2.180.0100.01316.63
8.2.170.0110.00422.96
8.2.160.0170.00318.79
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00021.06
8.2.120.0000.00726.35
8.2.110.0060.00621.00
8.2.100.0000.01117.78
8.2.90.0080.00017.50
8.2.80.0030.00518.60
8.2.70.0030.00517.50
8.2.60.0110.00617.00
8.2.50.0040.00417.55
8.2.40.0050.00318.02
8.2.30.0080.00017.98
8.2.20.0110.00017.95
8.2.10.0040.00417.92
8.2.00.0070.00017.91
8.1.280.0070.01125.92
8.1.270.0050.00323.86
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0090.00022.74
8.1.230.0080.00422.13
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0000.00817.23
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0050.00318.95
8.1.160.0000.00818.80
8.1.150.0030.00520.55
8.1.140.0050.00319.50
8.1.130.0000.00718.75
8.1.120.0000.00717.46
8.1.110.0050.00317.22
8.1.100.0000.00717.39
8.1.90.0040.00417.40
8.1.80.0000.00817.35
8.1.70.0030.00317.43
8.1.60.0090.00317.58
8.1.50.0040.00417.34
8.1.40.0030.00517.44
8.1.30.0070.00017.54
8.1.20.0070.00017.55
8.1.10.0040.00417.36
8.1.00.0040.00417.23
8.0.300.0000.00718.77
8.0.290.0080.00016.63
8.0.280.0000.00718.43
8.0.270.0000.00716.82
8.0.260.0000.00716.77
8.0.250.0070.00016.90
8.0.240.0080.00016.88
8.0.230.0050.00216.77
8.0.220.0000.00616.83
8.0.210.0000.00816.83
8.0.200.0060.00016.76
8.0.190.0030.00616.86
8.0.180.0040.00416.87
8.0.170.0030.00516.84
8.0.160.0030.00516.81
8.0.150.0080.00016.63
8.0.140.0040.00416.74
8.0.130.0000.00613.28
8.0.120.0000.00816.81
8.0.110.0000.00816.60
8.0.100.0040.00416.77
8.0.90.0000.00716.69
8.0.80.0120.00316.80
8.0.70.0040.00416.79
8.0.60.0040.00416.84
8.0.50.0040.00416.80
8.0.30.0080.00817.03
8.0.20.0110.00817.40
8.0.10.0070.00017.05
8.0.00.0090.00916.83
7.4.330.0000.00515.55
7.4.320.0070.00016.52
7.4.300.0070.00016.46
7.4.290.0070.00016.44
7.4.280.0040.00416.42
7.4.270.0040.00416.32
7.4.260.0000.00716.50
7.4.250.0040.00416.39
7.4.240.0000.00816.38
7.4.230.0080.00016.24
7.4.220.0120.00616.42
7.4.210.0050.00916.43
7.4.200.0000.00716.22
7.4.160.0090.01016.35
7.4.150.0110.00817.40
7.4.140.0110.00717.86
7.4.130.0110.00816.30
7.4.120.0100.01016.38
7.4.110.0070.01416.44
7.4.100.0140.01116.61
7.4.90.0080.00816.35
7.4.80.0070.01119.39
7.4.70.0080.00816.30
7.4.60.0110.00616.41
7.4.50.0100.00316.20
7.4.40.0100.01316.35
7.4.30.0130.00316.32
7.4.10.0030.01614.85
7.4.00.0120.00714.96
7.3.330.0050.00012.95
7.3.320.0000.00612.93
7.3.310.0030.00316.16
7.3.300.0000.00716.08
7.3.290.0090.00616.15
7.3.280.0070.01016.15
7.3.270.0060.01117.40
7.3.260.0100.00816.48
7.3.250.0110.00716.40
7.3.240.0110.00816.33
7.3.230.0140.00716.17
7.3.210.0070.01116.54
7.3.200.0060.01016.14
7.3.190.0090.01216.09
7.3.180.0120.00616.38
7.3.170.0100.00716.39
7.3.160.0130.00716.30
7.3.130.0060.01214.34
7.3.120.0040.01514.67
7.3.110.0070.01314.60
7.3.100.0070.00714.53
7.3.90.0060.00914.53
7.3.80.0060.00814.81
7.3.70.0080.00414.42
7.3.60.0090.00614.77
7.3.50.0030.00814.64
7.3.40.0080.00414.70
7.3.30.0070.00714.82
7.3.20.0070.00716.27
7.3.10.0100.00716.31
7.3.00.0000.01316.70
7.2.330.0310.03516.57
7.2.320.0110.01116.30
7.2.310.0060.01116.56
7.2.300.0060.01216.30
7.2.290.0030.01316.19
7.2.260.0100.01014.96
7.2.250.0090.00914.88
7.2.240.0080.00814.95
7.2.230.0030.01215.07
7.2.220.0110.00614.93
7.2.210.0060.00915.09
7.2.200.0060.00914.88
7.2.190.0030.01014.93
7.2.180.0000.01315.02
7.2.170.0030.00914.85
7.2.160.0000.01414.52
7.2.150.0040.00816.88
7.2.140.0070.00716.53
7.2.130.0070.00716.73
7.2.120.0100.00716.51
7.2.110.0120.00316.95
7.2.100.0030.01016.82
7.2.90.0040.01216.90
7.2.80.0060.00616.75
7.2.70.0000.01616.79
7.2.60.0080.00716.85
7.2.50.0040.00816.59
7.2.40.0060.00916.86
7.2.30.0040.01116.93
7.2.20.0070.00716.92
7.2.10.0030.00916.78
7.2.00.0050.01018.13
7.1.330.0070.00715.81
7.1.320.0090.00315.42
7.1.310.0000.00915.84
7.1.300.0030.00615.52
7.1.290.0030.00615.77
7.1.280.0030.01015.46
7.1.270.0030.00515.74
7.1.260.0030.00615.62
7.1.250.0070.00415.57
7.1.240.0070.00315.68
7.1.230.0060.00315.82
7.1.220.0120.00315.70
7.1.210.0000.01215.76
7.1.200.0090.00515.66
7.1.190.0030.01315.49
7.1.180.0080.00515.82
7.1.170.0080.00315.66
7.1.160.0100.00315.80
7.1.150.0040.00715.75
7.1.140.0070.00315.80
7.1.130.0040.00415.86
7.1.120.0040.01415.77
7.1.110.0100.00315.78
7.1.100.0030.00817.02
7.1.90.0070.00715.43
7.1.80.0000.01015.36
7.1.70.0100.00316.28
7.1.60.0130.01025.50
7.1.50.0150.01025.01
7.1.40.0140.01424.93
7.1.30.0140.00925.00
7.1.20.0130.00925.12
7.1.10.0110.00716.15
7.1.00.0090.00816.14
7.0.330.0070.00715.39
7.0.320.0030.00615.34
7.0.310.0060.00615.31
7.0.300.0030.00615.39
7.0.290.0040.01115.29
7.0.280.0060.00615.32
7.0.270.0030.00715.37
7.0.260.0040.01115.09
7.0.250.0000.00915.37
7.0.240.0060.00615.32
7.0.230.0060.00615.40
7.0.220.0100.00315.40
7.0.210.0040.00815.16
7.0.200.0040.01015.94
7.0.190.0070.00816.09
7.0.180.0070.00815.91
7.0.170.0050.00915.74
7.0.160.0050.01115.81
7.0.150.0100.00615.70
7.0.140.0070.01115.73
7.0.130.0070.00916.01
7.0.120.0110.00515.83
7.0.110.0070.00915.51
7.0.100.0050.00915.59
7.0.90.0050.00815.82
7.0.80.0050.01115.85
7.0.70.0060.01015.68
7.0.60.0090.00515.55
7.0.50.0060.01015.86
7.0.40.0110.00315.07
7.0.30.0050.01415.19
7.0.20.0070.00915.07
7.0.10.0060.00715.02
7.0.00.0040.01215.09
5.6.400.0060.00614.02
5.6.390.0140.00014.43
5.6.380.0040.00414.20
5.6.370.0000.01214.25
5.6.360.0030.01014.05
5.6.350.0000.01114.55
5.6.340.0030.00714.50
5.6.330.0070.00414.13
5.6.320.0060.00914.24
5.6.310.0070.00414.26
5.6.300.0000.01214.01
5.6.290.0030.01014.11
5.6.280.0000.00814.26
5.6.270.0030.01014.30
5.6.260.0120.00314.38
5.6.250.0090.00414.37
5.6.240.0080.00314.00
5.6.230.0000.01213.83
5.6.220.0000.01213.93
5.6.210.0060.00314.06
5.6.200.0040.01114.09
5.6.190.0100.00714.43
5.6.180.0100.00714.04
5.6.170.0070.01014.24
5.6.160.0090.00314.03
5.6.150.0060.01014.21
5.6.140.0000.01114.28
5.6.130.0000.01114.25
5.6.120.0090.00614.15
5.6.110.0140.00314.09
5.6.100.0060.00614.37
5.6.90.0090.00314.38
5.6.80.0100.00714.18
5.6.70.0090.00614.37
5.6.60.0030.00614.11
5.6.50.0030.00614.14
5.6.40.0090.00613.90
5.6.30.0030.01214.16
5.6.20.0020.01314.22
5.6.10.0070.01114.16
5.6.00.0070.01114.41

preferences:
49.32 ms | 400 KiB | 5 Q