3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * Increments letter * @param int $number * @param array &$arr */ function increment($number, &$arr) { $char = end($arr); $char++; for ($i = 0; $i < $number; $i++, $char++) { $arr[] = $char; } } $arr = range('A', 'D'); $number = 30; increment($number, $arr); var_dump($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)
8.5.00.0080.01220.04
8.4.150.0020.00014.05
8.4.140.0080.01417.53
8.4.130.0100.01117.85
8.4.120.0050.00520.41
8.4.110.0110.00918.53
8.4.100.0100.00917.52
8.4.90.0150.00618.79
8.4.80.0140.00718.02
8.4.70.0120.01117.57
8.4.60.0080.00824.26
8.4.50.0110.00717.73
8.4.40.0060.01519.25
8.4.30.0000.00817.70
8.4.20.0090.00919.44
8.4.10.0030.00619.59
8.3.280.0130.00818.40
8.3.270.0150.00616.49
8.3.260.0110.00716.48
8.3.250.0090.01018.72
8.3.240.0120.00716.80
8.3.230.0120.00816.61
8.3.220.0040.00418.94
8.3.210.0120.00916.65
8.3.200.0060.00316.67
8.3.190.0120.00717.11
8.3.180.0140.00419.07
8.3.170.0110.00819.10
8.3.160.0060.01216.42
8.3.150.0190.00017.07
8.3.140.0120.00616.84
8.3.130.0060.00318.66
8.3.120.0000.00920.55
8.3.110.0060.00318.36
8.3.100.0170.00316.38
8.3.90.0060.00318.35
8.3.80.0090.00017.97
8.3.70.0120.00316.50
8.3.60.0060.00916.63
8.3.50.0100.00717.47
8.3.40.0120.00318.46
8.3.30.0090.00618.55
8.3.20.0040.00420.38
8.3.10.0050.00323.48
8.3.00.0000.00823.64
8.2.290.0110.00820.16
8.2.280.0100.00818.60
8.2.270.0120.00816.82
8.2.260.0120.00618.71
8.2.250.0000.00918.39
8.2.240.0090.00916.91
8.2.230.0060.00320.94
8.2.220.0030.00724.06
8.2.210.0080.00026.77
8.2.200.0000.00916.50
8.2.190.0130.00716.58
8.2.180.0110.00716.63
8.2.170.0150.00322.96
8.2.160.0120.00320.51
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0080.00020.40
8.2.120.0040.00426.35
8.2.110.0130.00319.45
8.2.100.0040.00817.88
8.2.90.0030.00519.48
8.2.80.0050.00317.97
8.2.70.0040.00417.92
8.2.60.0000.00818.16
8.2.50.0040.00418.10
8.2.40.0040.00419.64
8.2.30.0000.00818.11
8.2.20.0040.00418.02
8.2.10.0040.00418.05
8.2.00.0040.00418.11
8.1.330.0070.00820.20
8.1.320.0120.00816.04
8.1.310.0000.00818.26
8.1.300.0060.00318.44
8.1.290.0030.00630.84
8.1.280.0070.01125.92
8.1.270.0080.00022.18
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0000.01720.90
8.1.230.0040.00719.07
8.1.220.0060.00317.75
8.1.210.0040.00418.77
8.1.200.0060.00317.10
8.1.190.0050.00317.10
8.1.180.0030.00618.10
8.1.170.0060.00318.54
8.1.160.0030.00518.75
8.1.150.0040.00418.73
8.1.140.0040.00417.54
8.1.130.0030.00318.88
8.1.120.0070.00017.40
8.1.110.0030.00617.44
8.1.100.0000.00817.44
8.1.90.0060.00617.39
8.1.80.0110.00517.34
8.1.70.0100.00417.38
8.1.60.0090.00717.62
8.1.50.0090.00717.48
8.1.40.0130.00217.54
8.1.30.0130.00417.59
8.1.20.0090.00717.60
8.1.10.0120.00417.42
8.1.00.0130.00317.42
8.0.300.0070.00019.60
8.0.290.0040.00416.63
8.0.280.0000.00818.39
8.0.270.0070.00016.75
8.0.260.0040.00419.12
8.0.250.0070.00016.79
8.0.240.0000.00616.82
8.0.230.0040.00416.85
8.0.220.0060.00316.73
8.0.210.0080.00516.78
8.0.200.0090.00516.85
8.0.190.0100.00516.80
8.0.180.0110.00416.85
8.0.170.0060.00816.83
8.0.160.0070.00516.77
8.0.150.0100.00316.75
8.0.140.0110.00116.72
8.0.130.0060.00615.54
8.0.120.0080.00616.81
8.0.110.0070.00716.76
8.0.100.0090.00516.67
8.0.90.0100.00416.73
8.0.80.0090.00816.76
8.0.70.0090.00616.71
8.0.60.0050.00816.86
8.0.50.0060.00716.81
8.0.30.0110.00916.79
8.0.20.0140.00517.19
8.0.10.0080.00416.82
8.0.00.0090.00716.84
7.4.330.0000.00415.55
7.4.320.0060.00016.56
7.4.300.0100.00316.56
7.4.290.0070.00616.56
7.4.280.0100.00416.52
7.4.270.0100.00316.42
7.4.260.0080.00516.50
7.4.250.0100.00416.58
7.4.240.0090.00416.60
7.4.230.0050.00616.44
7.4.220.0090.00516.45
7.4.210.0080.00616.60
7.4.200.0070.00316.50
7.4.190.0040.01016.54
7.4.180.0080.00616.55
7.4.160.0080.00716.48
7.4.150.0120.00716.78
7.4.140.0130.00717.37
7.4.130.0090.00716.50
7.4.120.0120.00616.42
7.4.110.0080.00816.32
7.4.100.0100.00516.52
7.4.90.0090.00616.24
7.4.80.0060.00917.40
7.4.70.0100.00616.33
7.4.60.0110.00616.48
7.4.50.0090.00416.28
7.4.40.0100.00616.43
7.4.30.0100.00616.41
7.4.20.0050.01016.35
7.4.10.0100.00415.59
7.4.00.0090.00715.44
7.3.330.0100.00315.26
7.3.320.0040.00915.24
7.3.310.0090.00416.15
7.3.300.0080.00616.26
7.3.290.0120.00216.22
7.3.280.0080.01016.26
7.3.270.0170.00116.61
7.3.260.0140.00616.26
7.3.250.0120.00616.30
7.3.240.0110.00816.34
7.3.230.0150.00216.45
7.3.220.0140.00216.29
7.3.210.0090.00916.31
7.3.200.0120.00516.32
7.3.190.0110.00616.33
7.3.180.0110.00616.35
7.3.170.0160.00216.41
7.3.160.0090.00816.38
7.3.150.0120.00516.29
7.3.140.0070.01016.33
7.3.130.0080.00915.50
7.3.120.0110.00615.47
7.3.110.0110.00615.50
7.3.100.0110.00715.39
7.3.90.0090.00615.64
7.3.80.0080.00515.54
7.3.70.0110.00415.56
7.3.60.0080.00715.70
7.3.50.0100.00515.62
7.3.40.0080.00715.60
7.3.30.0100.00615.49
7.3.20.0070.00917.34
7.3.10.0100.00617.41
7.3.00.0090.00517.43
7.2.340.0130.00516.28
7.2.330.0060.01116.47
7.2.320.0100.00716.46
7.2.310.0140.00416.36
7.2.300.0150.00216.42
7.2.290.0120.00516.39
7.2.280.0140.00316.43
7.2.270.0120.00416.40
7.2.260.0070.00815.58
7.2.250.0100.00815.77
7.2.240.0080.00815.75
7.2.230.0100.00715.72
7.2.220.0080.00815.74
7.2.210.0090.00815.66
7.2.200.0100.00715.69
7.2.190.0090.00815.67
7.2.180.0090.00615.65
7.2.170.0090.00815.75
7.2.160.0040.01215.75
7.2.150.0090.00817.55
7.2.140.0100.00717.58
7.2.130.0080.00917.64
7.2.120.0090.00717.57
7.2.110.0070.00717.75
7.2.100.0080.00817.64
7.2.90.0100.00417.63
7.2.80.0100.00517.51
7.2.70.0120.00517.56
7.2.60.0080.00817.51
7.2.50.0100.00917.39
7.2.40.0090.00717.64
7.2.30.0060.00917.68
7.2.20.0090.00517.68
7.2.10.0080.00917.59
7.2.00.0080.00717.65
7.1.330.0090.00716.50
7.1.320.0060.01016.58
7.1.310.0070.00816.68
7.1.300.0090.00716.46
7.1.290.0090.00416.52
7.1.280.0070.00816.59
7.1.270.0090.00516.51
7.1.260.0070.00716.59
7.1.250.0080.00716.47
7.1.240.0100.00416.56
7.1.230.0110.00416.57
7.1.220.0070.00516.50
7.1.210.0070.00816.55
7.1.200.0090.00416.37
7.1.190.0110.00416.50
7.1.180.0080.00816.50
7.1.170.0060.00916.58
7.1.160.0090.00616.55
7.1.150.0060.00816.57
7.1.140.0080.00616.58
7.1.130.0090.00516.53
7.1.120.0090.00416.46
7.1.110.0120.00416.44
7.1.100.0090.00816.43
7.1.90.0150.00416.39
7.1.80.0140.00516.60
7.1.70.0130.00916.16
7.1.60.0140.00619.85
7.1.50.0130.00919.76
7.1.40.0150.00619.76
7.1.30.0120.01019.73
7.1.20.0140.00719.85
7.1.10.0110.00716.24
7.1.00.0090.00916.19
7.0.330.0090.00616.19
7.0.320.0090.00416.24
7.0.310.0090.00516.15
7.0.300.0070.00716.18
7.0.290.0070.00616.07
7.0.280.0080.00616.28
7.0.270.0070.00616.07
7.0.260.0110.00216.20
7.0.250.0120.00616.17
7.0.240.0120.00516.19
7.0.230.0140.00416.18
7.0.220.0290.00816.18
7.0.210.0110.00815.91
7.0.200.0160.00616.02
7.0.190.0110.00715.93
7.0.180.0120.00515.85
7.0.170.0120.00815.87
7.0.160.0130.00615.79
7.0.150.0120.00415.90
7.0.140.0110.00715.79
7.0.130.0130.00616.00
7.0.120.0120.00716.00
7.0.110.0120.00615.86
7.0.100.0110.00615.92
7.0.90.0110.00615.75
7.0.80.0120.00715.87
7.0.70.0150.00715.83
7.0.60.0140.00715.80
7.0.50.0090.00915.81
7.0.40.0210.00715.10
7.0.30.0120.00515.14
7.0.20.0130.00515.07
7.0.10.0100.00915.07
7.0.00.0130.00715.03
5.6.400.0090.00314.97
5.6.390.0100.00415.00
5.6.380.0090.00514.91
5.6.370.0050.00814.97
5.6.360.0070.00615.07
5.6.350.0100.00415.08
5.6.340.0040.01015.01
5.6.330.0070.00615.19
5.6.320.0050.00715.18
5.6.310.0080.00715.07
5.6.300.0080.00514.96
5.6.290.0100.00415.06
5.6.280.0090.00714.98
5.6.270.0090.00615.12
5.6.260.0060.00715.09
5.6.250.0100.00315.11
5.6.240.0070.00815.08
5.6.230.0070.00615.13
5.6.220.0110.00515.10
5.6.210.0070.00515.25
5.6.200.0100.00315.14
5.6.190.0050.00615.21
5.6.180.0090.00515.23
5.6.170.0060.00815.26
5.6.160.0090.00615.17
5.6.150.0100.00415.13
5.6.140.0100.00315.07
5.6.130.0060.00715.14
5.6.120.0060.00715.20
5.6.110.0080.00715.21
5.6.100.0070.00815.15
5.6.90.0090.00615.14
5.6.80.0050.00814.97
5.6.70.0080.00614.97
5.6.60.0080.00614.96
5.6.50.0070.00615.05
5.6.40.0100.00315.02
5.6.30.0090.00415.15
5.6.20.0070.00615.06
5.6.10.0060.00715.06
5.6.00.0080.00615.12

preferences:
174.3 ms | 403 KiB | 5 Q