3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1,1,1,2,2,3,3,4,1,1,2,2,3]; var_export( json_decode( preg_replace_callback( '/\b(\d+)(?:,\1)*\b/', function($m) { return sprintf( '{"%d":%d}', $m[1], count(explode(',', $m[0])) ); }, json_encode($array) ), true ) );

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)
8.4.120.0130.00824.13
8.4.110.0070.00219.16
8.4.100.0080.01218.91
8.4.90.0120.00922.57
8.4.80.0070.00418.25
8.4.70.0080.01219.72
8.4.60.0110.00518.83
8.4.50.0040.00418.66
8.4.40.0090.00619.64
8.4.30.0100.00018.62
8.4.20.0060.01318.99
8.4.10.0100.01017.98
8.3.250.0100.00918.89
8.3.240.0090.01017.19
8.3.230.0150.00516.60
8.3.220.0040.00517.24
8.3.210.0090.01016.83
8.3.200.0050.00516.70
8.3.190.0040.00417.29
8.3.180.0120.00716.72
8.3.170.0160.00320.59
8.3.160.0080.00018.55
8.3.150.0090.00617.37
8.3.140.0120.00316.71
8.3.130.0050.00316.86
8.3.120.0030.00620.89
8.3.110.0060.00320.94
8.3.100.0100.00324.06
8.3.90.0080.00026.77
8.3.80.0040.00816.75
8.3.70.0120.00816.75
8.3.60.0120.00318.51
8.3.50.0070.01016.50
8.3.40.0150.00418.98
8.3.30.0140.00718.83
8.3.20.0040.00424.18
8.3.10.0060.00324.66
8.3.00.0050.00326.16
8.2.290.0110.00820.59
8.2.280.0080.00918.45
8.2.270.0060.00317.02
8.2.260.0070.01118.97
8.2.250.0040.00417.05
8.2.240.0100.01019.16
8.2.230.0100.01022.58
8.2.220.0090.00037.54
8.2.210.0040.01126.77
8.2.200.0040.00718.66
8.2.190.0040.01116.63
8.2.180.0110.01125.92
8.2.170.0120.00419.09
8.2.160.0130.00722.96
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00326.35
8.2.110.0030.00620.52
8.2.100.0080.00317.99
8.2.90.0040.00417.88
8.2.80.0080.00017.97
8.2.70.0050.00317.88
8.2.60.0040.00417.88
8.2.50.0090.00018.10
8.2.40.0000.00921.28
8.2.30.0000.00719.50
8.2.20.0000.00818.21
8.2.10.0060.00319.31
8.2.00.0040.00419.26
8.1.330.0110.00721.99
8.1.320.0120.00718.09
8.1.310.0040.00416.80
8.1.300.0070.00718.57
8.1.290.0060.00330.84
8.1.280.0110.00725.92
8.1.270.0040.00423.99
8.1.260.0090.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00620.82
8.1.230.0000.01019.03
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0040.00417.47
8.1.190.0090.00317.35
8.1.180.0000.00818.10
8.1.170.0060.00318.84
8.1.160.0090.00020.70
8.1.150.0040.00418.81
8.1.140.0040.00417.54
8.1.130.0030.00520.06
8.1.120.0000.00817.68
8.1.110.0050.00317.66
8.1.100.0090.00017.55
8.1.90.0030.00517.51
8.1.80.0000.00817.51
8.1.70.0000.00717.52
8.1.60.0090.00017.80
8.1.50.0060.00317.72
8.1.40.0030.00717.56
8.1.30.0040.00417.80
8.1.20.0070.00017.72
8.1.10.0000.00817.66
8.1.00.0000.00817.66
8.0.300.0070.00019.83
8.0.290.0030.00616.75
8.0.280.0000.00718.32
8.0.270.0000.00816.82
8.0.260.0060.00018.52
8.0.250.0000.00717.06
8.0.240.0040.00417.04
8.0.230.0000.00716.92
8.0.220.0030.00317.01
8.0.210.0060.00316.94
8.0.200.0040.00417.13
8.0.190.0050.00317.09
8.0.180.0000.00716.97
8.0.170.0030.00617.05
8.0.160.0040.00417.11
8.0.150.0000.00716.98
8.0.140.0020.00516.84
8.0.130.0000.00613.52
8.0.120.0040.00416.98
8.0.110.0000.00717.07
8.0.100.0000.00817.07
8.0.90.0040.00417.09
8.0.80.0120.00316.95
8.0.70.0040.00417.10
8.0.60.0060.00316.94
8.0.50.0000.00816.95
8.0.30.0080.00716.92
8.0.20.0060.00917.05
8.0.10.0080.00617.14
8.0.00.0070.00717.23
7.4.330.0030.00315.55
7.4.320.0030.00316.71
7.4.300.0030.00316.75
7.4.290.0040.00416.67
7.4.280.0000.00816.75
7.4.270.0000.00716.66
7.4.260.0000.00613.49
7.4.250.0000.00716.79
7.4.240.0050.00316.78
7.4.230.0040.00416.53
7.4.220.0030.00316.68
7.4.210.0120.00216.77
7.4.200.0000.00716.61
7.4.160.0070.00716.77
7.4.150.0070.00716.90
7.4.140.0030.01016.61
7.4.130.0070.00716.66
7.4.120.0120.00316.79
7.4.110.0040.01116.77
7.4.100.0000.01416.83
7.4.90.0040.01116.77
7.4.80.0120.00416.66
7.4.70.0100.00316.71
7.4.60.0040.01016.70
7.4.50.0070.00716.55
7.4.40.0060.00916.50
7.4.30.0120.00316.65
7.4.20.0040.01116.70
7.4.10.0100.00316.51
7.4.00.0100.00316.62
7.3.330.0030.00316.45
7.3.320.0000.00613.53
7.3.310.0050.00216.49
7.3.300.0000.00716.33
7.3.290.0110.00516.37
7.3.280.0070.00716.39
7.3.270.0030.01016.43
7.3.260.0030.01016.37
7.3.250.0040.01116.47
7.3.240.0100.00316.40
7.3.230.0100.00416.33
7.3.220.0110.00316.41
7.3.210.0070.00716.38
7.3.200.0030.01216.46
7.3.190.0070.00716.33
7.3.180.0000.01316.38
7.3.170.0030.01016.41
7.3.160.0080.00816.34
7.3.150.0090.00416.46
7.3.140.0040.00816.36
7.3.130.0040.01116.36
7.3.120.0030.01016.30
7.3.110.0110.00316.34
7.3.100.0060.00816.30
7.3.90.0070.00716.65
7.3.80.0070.00716.39
7.3.70.0040.01016.41
7.3.60.0040.00816.56
7.3.50.0100.00316.57
7.3.40.0030.01016.55
7.3.30.0060.00616.52
7.3.20.0060.00716.58
7.3.10.0030.01016.46
7.3.00.0070.00716.51

preferences:
27.69 ms | 403 KiB | 5 Q