3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [20,22,29,40,67,35,98,200,205,220]; function subArrayValues($array) { static $firstRound = 0; if (count($array) < 2){ echo $array[0]; return; } $prevVal = null; $newArray = []; foreach ($array as $val){ if ($prevVal !== null){ $result = $val - $prevVal; $newArray[] = $result; } $prevVal = $val; } if ($firstRound) echo implode(",", $array) . "\n"; $firstRound++; subArrayValues($newArray); } subArrayValues($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)
8.4.130.0040.00718.83
8.4.120.0080.00624.02
8.4.110.0040.00723.56
8.4.100.0140.00717.74
8.4.90.0040.00722.57
8.4.80.0130.00718.89
8.4.70.0080.00718.70
8.4.60.0130.00718.57
8.4.50.0110.00818.66
8.4.40.0130.00619.50
8.4.30.0100.01020.62
8.4.20.0160.00318.95
8.4.10.0060.00317.64
8.3.260.0120.00916.45
8.3.250.0100.01018.84
8.3.240.0090.00517.18
8.3.230.0080.00416.52
8.3.220.0110.00719.02
8.3.210.0090.01016.48
8.3.200.0040.00516.73
8.3.190.0080.00716.94
8.3.180.0080.00718.89
8.3.170.0150.00316.78
8.3.160.0110.00717.33
8.3.150.0070.01117.04
8.3.140.0040.01218.86
8.3.130.0170.00316.61
8.3.120.0060.00318.85
8.3.110.0080.00020.94
8.3.100.0030.00616.53
8.3.90.0060.00326.77
8.3.80.0060.00316.75
8.3.70.0180.00016.58
8.3.60.0120.00616.75
8.3.50.0070.00818.33
8.3.40.0140.00719.00
8.3.30.0090.00821.59
8.3.20.0040.00422.18
8.3.10.0040.00423.82
8.3.00.0050.00322.43
8.2.290.0110.00720.35
8.2.280.0140.00518.55
8.2.270.0070.01118.38
8.2.260.0120.00616.36
8.2.250.0080.00018.58
8.2.240.0030.00618.95
8.2.230.0100.01022.58
8.2.220.0000.00924.06
8.2.210.0000.00826.77
8.2.200.0090.00018.29
8.2.190.0140.00016.58
8.2.180.0090.00618.42
8.2.170.0040.01122.96
8.2.160.0070.00720.38
8.2.150.0100.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00426.16
8.2.110.0100.00021.11
8.2.100.0070.00717.84
8.2.90.0040.00417.84
8.2.80.0030.00518.00
8.2.70.0040.00418.03
8.2.60.0040.00418.16
8.2.50.0030.00618.10
8.2.40.0000.00819.30
8.2.30.0040.00419.31
8.2.20.0000.00818.04
8.2.10.0070.00019.21
8.2.00.0000.00719.28
8.1.330.0110.00822.15
8.1.320.0110.00816.10
8.1.310.0070.01018.60
8.1.300.0090.00020.17
8.1.290.0060.00318.88
8.1.280.0070.00725.92
8.1.270.0040.00421.94
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0030.00622.06
8.1.230.0090.00322.66
8.1.220.0040.00417.74
8.1.210.0040.00418.89
8.1.200.0000.00917.11
8.1.190.0040.00417.13
8.1.180.0000.00818.10
8.1.170.0080.00018.47
8.1.160.0040.00418.87
8.1.150.0030.00518.83
8.1.140.0070.00020.92
8.1.130.0090.00020.10
8.1.120.0000.00717.46
8.1.110.0050.00317.46
8.1.100.0070.00017.45
8.1.90.0070.00017.47
8.1.80.0000.00717.50
8.1.70.0070.00017.41
8.1.60.0040.00417.60
8.1.50.0050.00317.49
8.1.40.0000.00817.57
8.1.30.0090.00317.58
8.1.20.0050.00317.62
8.1.10.0040.00417.46
8.1.00.0050.00317.45
8.0.300.0040.00420.17
8.0.290.0080.00016.62
8.0.280.0000.00718.28
8.0.270.0030.00817.26
8.0.260.0030.00320.15
8.0.250.0040.00416.83
8.0.240.0050.00316.55
8.0.230.0000.00716.81
8.0.220.0000.00716.80
8.0.210.0040.00416.93
8.0.200.0040.00416.86
8.0.190.0000.00716.96
8.0.180.0040.00416.96
8.0.170.0000.00816.91
8.0.160.0000.00816.94
8.0.150.0000.00816.88
8.0.140.0030.00716.87
8.0.130.0030.00313.30
8.0.120.0040.00416.73
8.0.110.0000.00716.91
8.0.100.0040.00416.77
8.0.90.0040.00416.74
8.0.80.0120.00316.95
8.0.70.0040.00416.95
8.0.60.0050.00216.86
8.0.50.0000.00716.84
8.0.30.0100.00916.91
8.0.20.0110.01117.11
8.0.10.0050.00316.82
8.0.00.0130.00716.76
7.4.330.0000.00516.78
7.4.320.0060.00016.64
7.4.300.0000.00616.39
7.4.290.0020.00516.57
7.4.280.0000.00716.63
7.4.270.0080.00016.50
7.4.260.0050.00013.29
7.4.250.0080.00016.36
7.4.240.0020.00616.50
7.4.230.0000.00716.60
7.4.220.0020.00516.34
7.4.210.0080.00816.47
7.4.200.0040.00416.38
7.4.140.0090.00917.86
7.4.130.0120.00816.56
7.4.120.0100.01116.46
7.4.110.0060.01116.53
7.4.100.0110.00616.51
7.4.90.0110.00716.41
7.4.80.0080.01117.23
7.4.70.0070.01016.49
7.4.60.0100.00716.46
7.4.50.0120.00616.46
7.4.40.0120.00916.47
7.4.30.0120.00716.47
7.4.20.0140.00916.49
7.4.10.0140.00616.55
7.4.00.0100.00816.13
7.3.330.0050.00316.33
7.3.320.0000.00613.34
7.3.310.0030.00316.14
7.3.300.0030.00316.38
7.3.290.0030.00316.42
7.3.280.0150.00316.37
7.3.260.0090.01016.45
7.3.250.0080.00916.44
7.3.240.0100.00916.50
7.3.230.0090.00916.46
7.3.220.0110.00616.60
7.3.210.0070.01316.37
7.3.200.0120.00516.28
7.3.190.0090.00816.41
7.3.180.0110.00816.45
7.3.170.0100.00716.44
7.3.160.0060.01216.42
7.3.150.0080.01116.39
7.3.140.0080.01016.46
7.3.130.0050.01216.47
7.3.120.0080.00916.45
7.3.110.0100.00716.26
7.3.100.0040.01216.34
7.3.90.0100.00615.96
7.3.80.0070.01015.90
7.3.70.0110.01016.07
7.3.60.0120.00515.99
7.3.50.0080.00915.93
7.3.40.0090.00816.01
7.3.30.0070.01115.97
7.3.20.0140.00717.37
7.3.10.0100.00817.36
7.3.00.0110.00517.44
7.2.340.0150.01216.63
7.2.330.0170.01016.71
7.2.320.0140.01216.54
7.2.310.0160.00816.72
7.2.300.0190.00516.52
7.2.290.0180.01016.64
7.2.280.0170.01016.59
7.2.270.0180.01016.46
7.2.260.0190.00816.49
7.2.250.0160.01316.56
7.2.240.0180.01016.66
7.2.230.0170.00916.52
7.2.220.0170.00716.11
7.2.210.0150.01016.24
7.2.200.0160.00816.05
7.2.190.0170.00916.00
7.2.180.0170.00916.14
7.2.170.0130.01116.07
7.2.160.0160.00716.09
7.2.150.0190.00717.59
7.2.140.0200.00817.52
7.2.130.0180.00717.44
7.2.120.0160.01217.58
7.2.110.0210.00617.61
7.2.100.0180.00817.52
7.2.90.0160.01017.07
7.2.80.0170.00817.55
7.2.70.0160.01017.47
7.2.60.0310.01117.13
7.2.50.0160.00817.33
7.2.40.0160.00717.52
7.2.30.0140.01017.50
7.2.20.0180.00717.44
7.2.10.0140.01117.43
7.2.00.0190.00617.33
7.1.330.0180.00616.66
7.1.320.0150.00816.48
7.1.310.0160.01016.57
7.1.300.0140.01016.49
7.1.290.0270.00815.98
7.1.280.0180.00916.44
7.1.270.0190.00816.41
7.1.260.0100.01316.44
7.1.250.0180.00916.42
7.1.240.0190.00916.62
7.1.230.0180.01316.62
7.1.220.0200.00816.60
7.1.210.0180.00916.65
7.1.200.0190.00916.61
7.1.190.0180.01016.66
7.1.180.0210.00816.57
7.1.170.0130.00916.59
7.1.160.0180.00816.59
7.1.150.0150.00916.63
7.1.140.0120.01316.55
7.1.130.0200.00516.57
7.1.120.0250.00616.47
7.1.110.0180.01116.53
7.1.100.0190.00916.66
7.1.90.0170.01216.61
7.1.80.0200.01116.42
7.1.70.0140.01216.53
7.1.60.0200.00716.67
7.1.50.0120.01516.47
7.1.40.0180.00916.64
7.1.30.0250.00916.09
7.1.20.0190.00816.69
7.1.10.0200.00816.70
7.1.00.0180.01016.56

preferences:
104.3 ms | 403 KiB | 5 Q