3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array_map('strtolower', array( 1 => '1233', 2 => '12334', 3 => 'Hello', 4 => 'hello', 5 => 'U' )); var_dump( array_unique( $array ) ); var_dump( array_diff_assoc( $array, array_unique( $array ) ) ); var_dump( array_unique( array_diff_assoc( $array, array_unique( $array ) ) ) );

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)
8.3.60.0060.00916.36
8.3.50.0040.01120.06
8.3.40.0180.00020.32
8.3.30.0120.00318.77
8.3.20.0030.00524.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.180.0110.01125.92
8.2.170.0070.00722.96
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00020.93
8.2.110.0000.00920.89
8.2.100.0040.00817.72
8.2.90.0050.00218.03
8.2.80.0040.00420.58
8.2.70.0000.00817.38
8.2.60.0000.00817.38
8.2.50.0040.00418.04
8.2.40.0090.00018.09
8.2.30.0050.00317.93
8.2.20.0040.00420.57
8.2.10.0050.01017.74
8.2.00.0110.00418.42
8.1.280.0040.01125.92
8.1.270.0090.00622.11
8.1.260.0110.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00719.21
8.1.230.0060.00920.75
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0080.00017.36
8.1.190.0060.00317.35
8.1.180.0050.00318.10
8.1.170.0090.00017.62
8.1.160.0000.00718.80
8.1.150.0000.00718.55
8.1.140.0060.00617.40
8.1.130.0100.00218.16
8.1.120.0100.00317.39
8.1.110.0040.00817.32
8.1.100.0080.00517.41
8.1.90.0110.00217.45
8.1.80.0110.00117.37
8.1.70.0110.00417.43
8.1.60.0070.01117.52
8.1.50.0110.00417.44
8.1.40.0080.00717.46
8.1.30.0070.00717.59
8.1.20.0100.00417.54
8.1.10.0110.00317.48
8.1.00.0130.00317.31
8.0.300.0070.00020.07
8.0.290.0030.00616.75
8.0.280.0070.00018.35
8.0.270.0130.00316.68
8.0.260.0060.00517.53
8.0.250.0030.00916.82
8.0.240.0070.00516.87
8.0.230.0070.00616.82
8.0.220.0070.00416.78
8.0.210.0110.00316.74
8.0.200.0070.00716.81
8.0.190.0100.00216.88
8.0.180.0110.00516.86
8.0.170.0100.00216.78
8.0.160.0090.00416.65
8.0.150.0090.00616.70
8.0.140.0080.00616.64
8.0.130.0100.00516.60
8.0.120.0140.00216.71
8.0.110.0110.00516.63
8.0.100.0110.00316.79
8.0.90.0080.00616.55
8.0.80.0090.00616.63
8.0.70.0150.00116.61
8.0.60.0070.00516.64
8.0.50.0090.00316.55
8.0.30.0080.00616.65
8.0.20.0060.00716.71
8.0.10.0080.00516.87
7.4.330.0070.00315.92
7.4.320.0090.00416.49
7.4.300.0110.00516.16
7.4.290.0120.00416.31
7.4.280.0140.00216.05
7.4.270.0110.00216.36
7.4.260.0050.00816.31
7.4.250.0110.00416.30
7.4.240.0100.00516.36
7.4.230.0100.00416.38
7.4.220.0080.00616.01
7.4.210.0080.00816.24
7.4.200.0100.00316.21
7.4.190.0140.00016.46
7.4.180.0100.00516.32
7.4.160.0100.00416.39
7.4.150.0100.00216.26
7.4.140.0120.00316.22
7.4.130.0080.00616.24
7.4.120.0040.01016.06
7.4.110.0080.00416.16
7.4.100.0110.00116.44
7.4.90.0120.00416.38
7.4.80.0120.00216.03
7.4.70.0100.00316.21
7.4.60.0100.00316.28
7.4.50.0070.00616.13
7.4.40.0090.00216.06
7.4.30.0090.00216.00
7.4.20.0100.00216.01
7.4.10.0100.00215.99
7.4.00.0100.00116.27

preferences:
50.15 ms | 401 KiB | 5 Q