3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * An array in DESCENDING order (OP) */ $array = [ 61029, 64698, 67355, 70000, // has bubble 43651, 48346, 52029, // has bubble 48029, 48698, 49355, 50000, ]; /** * An array in ASCENDING order */ $asc_array = [ 10, 20, 30, 40, 50, 45, //Has bubble 55 ]; /** * Given an array, identify a "bubble", aka. an increasing value in an otherwise decreasing value array. * Returns the $key where the bubble resides. */ function identifyBubble($array){ foreach($array as $id => $item){ if(!$id){ continue; } if(!$array[$id+1]){ continue; } if(($array[$id-1] < $array[$id]) && ($array[$id] > $array[$id+1])){ return $id; } } return false; } /** * If an array is in ASCENDING order, switch it around, * otherwise return the array as is. */ function makeArrayDescending($array){ if(reset($array) < end($array)){ return array_values(array_reverse($array)); } return $array; } var_dump(identifyBubble($array)); var_dump(makeArrayDescending($asc_array)); var_dump(identifyBubble(makeArrayDescending($asc_array)));

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)
8.5.10.0100.00816.85
8.5.00.0140.00919.88
8.4.150.0020.00114.05
8.4.140.0130.00817.87
8.4.130.0050.00418.84
8.4.120.0060.00424.17
8.4.110.0110.00918.76
8.4.100.0130.00818.67
8.4.90.0090.00622.27
8.4.80.0050.01220.54
8.4.70.0110.01017.87
8.4.60.0100.00618.68
8.4.50.0090.00718.74
8.4.40.0000.01519.31
8.4.30.0130.00722.60
8.4.20.0120.00918.61
8.4.10.0000.00919.65
8.3.280.0120.00920.81
8.3.270.0110.00916.45
8.3.260.0120.00816.41
8.3.250.0100.00818.82
8.3.240.0120.00817.11
8.3.230.0120.00816.77
8.3.220.0120.00718.94
8.3.210.0090.00816.48
8.3.200.0060.00316.52
8.3.190.0080.00918.93
8.3.180.0130.00617.00
8.3.170.0090.00920.66
8.3.160.0030.00616.50
8.3.150.0070.01117.33
8.3.140.0100.00216.99
8.3.130.0090.00016.67
8.3.120.0090.00918.98
8.3.110.0040.00420.94
8.3.100.0050.00324.06
8.3.90.0070.00726.77
8.3.80.0030.00918.30
8.3.70.0140.01016.63
8.3.60.0070.00718.31
8.3.50.0100.00918.07
8.3.40.0160.00318.76
8.3.30.0070.00718.61
8.3.20.0060.00320.78
8.3.10.0040.00420.66
8.3.00.0040.00422.39
8.2.290.0110.00820.37
8.2.280.0110.00718.27
8.2.270.0190.00017.38
8.2.260.0070.00716.82
8.2.250.0030.01216.79
8.2.240.0040.00418.79
8.2.230.0070.00322.58
8.2.220.0040.00437.54
8.2.210.0080.00026.77
8.2.200.0050.00516.47
8.2.190.0080.00816.58
8.2.180.0110.00718.54
8.2.170.0000.01418.94
8.2.160.0080.00622.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00418.16
8.2.120.0050.00326.35
8.2.110.0030.00619.33
8.2.100.0110.00017.91
8.2.90.0000.00720.42
8.2.80.0000.00820.50
8.2.70.0000.00817.63
8.2.60.0050.00717.93
8.2.50.0050.00318.07
8.2.40.0070.00219.88
8.2.30.0030.00518.03
8.2.20.0000.00718.14
8.2.10.0000.00819.47
8.2.00.0020.00517.99
8.1.330.0120.00821.96
8.1.320.0090.01017.86
8.1.310.0040.00418.09
8.1.300.0030.01220.03
8.1.290.0030.00630.84
8.1.280.0000.01425.92
8.1.270.0090.00020.30
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00323.91
8.1.230.0110.00020.98
8.1.220.0000.00817.78
8.1.210.0040.00418.88
8.1.200.0030.00617.36
8.1.190.0000.00917.23
8.1.180.0040.00418.66
8.1.170.0050.00320.11
8.1.160.0050.00218.94
8.1.150.0030.00618.81
8.1.140.0040.00420.20
8.1.130.0030.00620.24
8.1.120.0000.00717.38
8.1.110.0000.00817.38
8.1.100.0040.00417.36
8.1.90.0070.00017.50
8.1.80.0040.00417.50
8.1.70.0040.00417.45
8.1.60.0070.00017.49
8.1.50.0040.00417.55
8.1.40.0030.00617.54
8.1.30.0050.00517.50
8.1.20.0000.00817.58
8.1.10.0040.00417.61
8.1.00.0060.00317.51
8.0.300.0060.00320.03
8.0.290.0040.00416.63
8.0.280.0000.00718.47
8.0.270.0080.00016.72
8.0.260.0050.00218.38
8.0.250.0060.00316.88
8.0.240.0000.00716.85
8.0.230.0040.00416.91
8.0.220.0070.00016.80
8.0.210.0040.00416.80
8.0.200.0000.00816.97
8.0.190.0040.00416.96
8.0.180.0040.00416.94
8.0.170.0030.00516.96
8.0.160.0050.00316.93
8.0.150.0000.00816.81
8.0.140.0020.00516.80
8.0.130.0030.00313.34
8.0.120.0030.00716.93
8.0.110.0040.00416.93
8.0.100.0040.00416.68
8.0.90.0070.00016.69
8.0.80.0060.00916.95
8.0.70.0000.00716.86
8.0.60.0040.00416.81
8.0.50.0040.00416.85
8.0.30.0130.00717.19
8.0.20.0070.01317.40
8.0.10.0000.00816.93
8.0.00.0120.00916.73
7.4.330.0000.00515.55
7.4.320.0060.00016.52
7.4.300.0030.00316.64
7.4.290.0030.00316.57
7.4.280.0060.00616.49
7.4.270.0000.00716.59
7.4.260.0000.00716.54
7.4.250.0070.00016.50
7.4.240.0030.00316.44
7.4.230.0020.00516.46
7.4.220.0000.00716.51
7.4.210.0060.01016.54
7.4.200.0000.00716.52
7.4.160.0060.01116.49
7.4.130.0100.01416.44
7.4.120.0060.01216.45
7.4.110.0100.00716.75
7.4.100.0100.00716.44
7.4.90.0120.00616.43
7.4.80.0110.01119.39
7.4.70.0030.01516.44
7.4.60.0110.00616.58
7.4.50.0060.00916.67
7.4.40.0120.00516.45
7.4.10.0080.00814.98
7.4.00.0080.00815.09
7.3.330.0000.00513.39
7.3.320.0000.00613.31
7.3.310.0030.00316.23
7.3.300.0050.00216.27
7.3.290.0030.00316.42
7.3.280.0150.00516.36
7.3.260.0120.00716.42
7.3.240.0080.01016.39
7.3.230.0070.01416.31
7.3.210.0110.00616.65
7.3.200.0090.00916.57
7.3.190.0130.00616.67
7.3.180.0100.00716.49
7.3.170.0090.00916.29
7.3.160.0050.01316.64
7.3.130.0020.01614.86
7.3.120.0050.01114.97
7.3.110.0100.00914.74
7.3.100.0090.00514.54
7.3.90.0050.01114.92
7.3.80.0070.00714.86
7.3.70.0120.00214.80
7.3.60.0070.00514.63
7.3.50.0030.00814.90
7.3.40.0090.00214.78
7.3.30.0050.01014.93
7.3.20.0320.00815.61
7.3.10.0220.00515.90
7.3.00.0220.00615.99
7.2.330.0030.01416.76
7.2.320.0120.00416.63
7.2.310.0110.00716.79
7.2.300.0160.00016.59
7.2.290.0120.00616.68
7.2.260.0090.01015.04
7.2.250.0050.01115.25
7.2.240.0050.01015.31
7.2.230.0060.01115.11
7.2.220.0040.01614.81
7.2.210.0060.00815.01
7.2.200.0060.00914.88
7.2.190.0110.00515.07
7.2.180.0060.01015.12
7.2.170.0040.01115.12
7.2.160.0030.00814.98
7.2.150.0260.00216.04
7.2.140.0230.00516.25
7.2.130.0210.00816.24
7.2.120.0210.00416.20
7.2.110.0260.00816.35
7.2.100.0280.00916.25
7.2.90.0290.00816.34
7.2.80.0220.00816.40
7.2.70.0210.00416.32
7.2.60.0190.00716.21
7.2.50.0280.01016.37
7.2.40.0370.01016.23
7.2.30.0050.01116.35
7.2.20.0180.00616.16
7.2.10.0250.00816.27
7.2.00.0220.00816.42
7.1.330.0070.00515.85
7.1.320.0060.00815.73
7.1.310.0070.00515.94
7.1.300.0050.00815.61
7.1.290.0070.00315.75
7.1.280.0060.00815.80
7.1.270.0040.00515.62
7.1.260.0050.00615.74
7.1.250.0040.01015.09
7.1.240.0040.00815.68
7.1.230.0080.00315.96
7.1.220.0050.00915.79
7.1.210.0050.00615.85
7.1.200.0060.00815.79
7.1.190.0020.01115.70
7.1.180.0110.00215.77
7.1.170.0040.00715.68
7.1.160.0070.00615.85
7.1.150.0050.00515.68
7.1.140.0030.01015.79
7.1.130.0070.00515.96
7.1.120.0060.00815.79
7.1.110.0050.00815.95
7.1.100.0060.00515.98
7.1.90.0060.00715.81
7.1.80.0040.00915.92
7.1.70.0050.00915.80
7.1.60.0060.00815.82
7.1.50.0050.00715.93
7.1.40.0070.00515.85
7.1.30.0090.00615.83
7.1.20.0060.00715.89
7.1.10.0040.01115.70
7.1.00.0080.00515.85

preferences:
37.57 ms | 403 KiB | 5 Q