3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ["a", "b", "a", "c"]; function makeUnique($arr){ $set = []; foreach($arr as $k => $v){ $set[ $v ] = ($set[ $v ] ?? 0) + 1; $arr[ $k ] = $arr[ $k ] . ($set[ $v ] > 1 ? '.' .($set[ $v ] - 1) : ''); } return $arr; } print_r(makeUnique($arr));

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)
8.5.10.0090.01016.70
8.5.00.0130.00920.07
8.4.150.0020.00014.05
8.4.140.0120.00817.48
8.4.130.0130.00817.91
8.4.120.0110.00823.94
8.4.110.0140.00723.25
8.4.100.0110.00818.67
8.4.90.0100.01118.87
8.4.80.0070.00118.98
8.4.70.0120.00717.61
8.4.60.0050.00518.70
8.4.50.0130.00718.72
8.4.40.0190.00017.73
8.4.30.0110.00618.74
8.4.20.0140.00720.59
8.4.10.0000.00919.36
8.3.280.0100.01018.33
8.3.270.0100.00916.81
8.3.260.0100.01016.74
8.3.250.0100.00816.96
8.3.240.0070.01017.18
8.3.230.0100.00816.56
8.3.220.0140.00518.86
8.3.210.0140.00416.55
8.3.200.0090.00716.36
8.3.190.0050.00418.88
8.3.180.0130.00516.54
8.3.170.0120.00618.93
8.3.160.0120.00618.45
8.3.150.0150.00618.21
8.3.140.0030.00616.99
8.3.130.0040.00418.31
8.3.120.0080.00018.75
8.3.110.0030.00820.94
8.3.100.0040.00424.06
8.3.90.0040.00726.77
8.3.80.0030.00618.18
8.3.70.0110.00718.31
8.3.60.0120.00318.18
8.3.50.0120.00916.32
8.3.40.0080.00820.04
8.3.30.0110.00321.89
8.3.20.0070.00024.18
8.3.10.0080.00024.66
8.3.00.0070.00026.16
8.2.290.0080.01020.61
8.2.280.0130.00718.34
8.2.270.0100.00317.16
8.2.260.0040.00418.57
8.2.250.0140.00418.45
8.2.240.0040.01117.01
8.2.230.0090.00622.58
8.2.220.0030.01437.54
8.2.210.0070.01126.77
8.2.200.0080.00418.54
8.2.190.0110.00416.58
8.2.180.0070.00716.75
8.2.170.0100.00718.74
8.2.160.0100.00322.96
8.2.150.0080.00025.66
8.2.140.0000.00824.66
8.2.130.0050.00226.16
8.2.120.0000.00720.63
8.2.110.0080.01122.11
8.2.100.0070.01121.14
8.2.90.0140.01218.76
8.2.80.0260.00718.71
8.2.70.0250.01018.74
8.2.60.0240.00318.55
8.2.50.0190.00020.02
8.2.40.0140.01018.96
8.2.30.0130.00718.70
8.2.20.0090.00020.80
8.2.10.0190.00619.04
8.2.00.0140.00019.08
8.1.330.0090.00821.89
8.1.320.0080.00816.07
8.1.310.0070.01016.93
8.1.300.0040.00417.72
8.1.290.0070.00330.84
8.1.280.0120.00625.92
8.1.270.0000.00723.99
8.1.260.0020.00526.35
8.1.250.0070.00028.09
8.1.240.0240.00618.47
8.1.230.0110.01118.46
8.1.220.0130.00318.70
8.1.210.0140.00019.94
8.1.200.0070.00718.50
8.1.190.0080.00319.57
8.1.180.0140.00018.56
8.1.170.0110.00018.61
8.1.160.0060.00618.60
8.1.150.0030.01020.42
8.1.140.0140.00018.37
8.1.130.0070.00718.52
8.1.120.0090.00318.73
8.1.110.0110.00019.50
8.1.100.0150.00018.49
8.1.90.0140.00018.63
8.1.80.0130.00018.36
8.1.70.0070.00418.80
8.1.60.0180.00018.34
8.1.50.0080.00818.54
8.1.40.0120.00920.60
8.1.30.0130.00018.95
8.1.20.0310.00018.45
8.1.10.0100.00018.82
8.1.00.0090.01320.51
8.0.300.0200.00417.82
8.0.290.0230.00317.95
8.0.280.0110.00317.83
8.0.270.0240.00617.90
8.0.260.0080.00418.30
8.0.250.0030.00619.74
8.0.240.0160.00417.90
8.0.230.0210.00718.43
8.0.220.0150.01117.70
8.0.210.0210.01117.86
8.0.200.0270.00317.81
8.0.190.0100.01320.22
8.0.180.0260.00617.93
8.0.170.0240.00317.84
8.0.160.0140.00717.77
8.0.150.0300.00717.88
8.0.140.0160.01017.84
8.0.130.0040.00818.21
8.0.120.0070.00417.70
8.0.110.0170.00318.46
8.0.100.0210.01217.68
8.0.90.0160.01317.74
8.0.80.0330.00317.73
8.0.70.0250.00317.91
8.0.60.0190.01218.24
8.0.50.0360.00317.79
8.0.30.0140.00718.25
8.0.20.0200.00417.86
8.0.10.0250.00918.03

preferences:
94.08 ms | 403 KiB | 5 Q