3v4l.org

run code in 300+ PHP versions simultaneously
<?php $c = [1,2,4,8,18,20,33,66,99]; function indexOfNumb(array $base, $x) { $leftI = 0; $rightI = count($base) - 1; do { $centerI = floor(($rightI + $leftI) / 2); if($base[$centerI] === $x) { return $centerI; } elseif($base[$centerI] > $x && $centerI !== $rightI) { $rightI = $centerI; } elseif($base[$centerI] < $x && $centerI !== $leftI) { $leftI = $centerI; } else { return ($x - $base[$leftI] > $base[$rightI] - $x) ? $rightI : $leftI; } } while(1); } var_dump(indexOfNumb($c, 65));

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)
8.3.60.0130.00616.63
8.3.50.0140.00317.93
8.3.40.0110.00318.84
8.3.30.0080.00618.84
8.3.20.0040.00420.32
8.3.10.0000.00723.61
8.3.00.0050.00319.51
8.2.180.0120.00318.41
8.2.170.0090.00622.96
8.2.160.0030.01720.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00817.63
8.2.120.0080.00026.35
8.2.110.0060.00319.27
8.2.100.0040.00717.97
8.2.90.0040.00419.34
8.2.80.0050.00317.97
8.2.70.0030.00617.75
8.2.60.0080.00018.16
8.2.50.0000.00818.10
8.2.40.0040.00420.58
8.2.30.0030.00320.77
8.2.20.0030.00617.77
8.2.10.0000.00718.15
8.2.00.0080.00018.12
8.1.280.0150.00625.92
8.1.270.0040.00423.84
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0030.00622.77
8.1.230.0040.00717.82
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0050.00517.35
8.1.190.0000.00817.35
8.1.180.0000.00918.10
8.1.170.0060.00318.70
8.1.160.0030.00322.14
8.1.150.0000.00718.85
8.1.140.0000.00819.66
8.1.130.0070.00017.84
8.1.120.0030.00517.50
8.1.110.0030.00517.51
8.1.100.0000.00817.45
8.1.90.0060.00317.55
8.1.80.0000.00817.52
8.1.70.0040.00417.51
8.1.60.0000.00917.66
8.1.50.0030.00517.49
8.1.40.0090.00017.59
8.1.30.0000.00817.68
8.1.20.0000.00817.75
8.1.10.0040.00417.64
8.1.00.0000.00717.51
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0060.00318.47
8.0.270.0000.00817.21
8.0.260.0030.00317.25
8.0.250.0040.00417.09
8.0.240.0000.00717.04
8.0.230.0000.00717.01
8.0.220.0000.00717.05
8.0.210.0030.00516.90
8.0.200.0040.00417.05
8.0.190.0030.00316.99
8.0.180.0000.00817.08
8.0.170.0040.00417.05
8.0.160.0040.00416.95
8.0.150.0030.00317.05
8.0.140.0050.00516.96
8.0.130.0060.00013.46
8.0.120.0080.00017.00
8.0.110.0000.00716.98
8.0.100.0050.00217.16
8.0.90.0030.00517.06
8.0.80.0140.00016.96
8.0.70.0000.00717.00
8.0.60.0040.00417.10
8.0.50.0000.00716.86
8.0.30.0130.00917.06
8.0.20.0140.00917.40
8.0.10.0040.00417.22
8.0.00.0070.01416.82
7.4.330.0050.00016.75
7.4.320.0030.00316.55
7.4.300.0040.00416.59
7.4.290.0070.00016.66
7.4.280.0050.00216.57
7.4.270.0030.00316.61
7.4.260.0070.00316.63
7.4.250.0040.00416.42
7.4.240.0040.00316.59
7.4.230.0030.00316.43
7.4.220.0060.01816.75
7.4.210.0070.00716.64
7.4.200.0080.00016.68
7.4.160.0070.01016.58
7.4.150.0170.00317.40
7.4.140.0120.01117.86
7.4.130.0080.00916.63
7.4.120.0100.01016.64
7.4.110.0130.00816.74
7.4.100.0180.00316.51
7.4.90.0140.00716.67
7.4.80.0090.00619.39
7.4.70.0080.00816.56
7.4.60.0070.01116.60
7.4.50.0000.01416.57
7.4.40.0170.00016.50
7.4.30.0120.00316.41
7.4.00.0070.00714.88
7.3.330.0060.00013.52
7.3.320.0000.00613.42
7.3.310.0040.00416.36
7.3.300.0000.00716.34
7.3.290.0070.00916.46
7.3.280.0100.00816.43
7.3.270.0130.00617.40
7.3.260.0130.00316.80
7.3.250.0100.00816.57
7.3.240.0090.01016.39
7.3.230.0160.00616.54
7.3.210.0090.00616.63
7.3.200.0110.01116.52
7.3.190.0060.01016.46
7.3.180.0130.00316.45
7.3.170.0060.01316.37
7.3.160.0110.00516.74
7.2.330.0100.00716.87
7.2.320.0060.01216.80
7.2.310.0090.00916.84
7.2.300.0110.00616.48
7.2.290.0060.00916.88
7.2.60.0000.01117.00
7.2.50.0110.00316.72
7.2.00.0200.00319.34
7.1.200.0070.00415.97
7.1.100.0030.01318.37
7.1.70.0040.00817.25
7.1.60.0140.01119.36
7.1.50.0070.01716.99
7.1.00.0130.06722.51
7.0.200.0040.00416.48
7.0.60.0000.08719.88
7.0.50.0030.04717.97
7.0.40.0130.03720.14
7.0.30.0370.07020.33
7.0.20.0200.04020.23
7.0.10.0070.08720.26
7.0.00.0130.08320.30
5.6.280.0030.03320.82
5.6.210.0170.05320.77
5.6.200.0030.04018.13
5.6.190.0030.04320.47
5.6.180.0370.04020.51
5.6.170.0200.08320.51
5.6.160.0070.06020.56
5.6.150.0070.05318.22
5.6.140.0070.03718.11
5.6.130.0030.04018.14
5.6.120.0100.08021.05
5.6.110.0030.09020.89
5.6.100.0070.07320.98
5.6.90.0200.06720.99
5.6.80.0170.06720.41
5.5.350.0230.05020.41
5.5.340.0070.07318.01
5.5.330.0030.07320.22
5.5.320.0330.07020.52
5.5.310.0270.08020.20
5.5.300.0070.04018.01
5.5.290.0070.06017.94
5.5.280.0030.05720.89
5.5.270.0100.05320.76
5.5.260.0100.06320.89
5.5.250.0170.06720.77
5.5.240.0270.06320.27

preferences:
51.35 ms | 401 KiB | 5 Q