3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1, 2, 3, 4, 4, 1, 2, 5, 5, 11, 11]; sort($arr); for($i = 0, $max = count($arr); $i < $max; $i++){ // is single number last element in array? if($i == count($arr)-1) $singleNum = $arr[$i]; // If adjacent elements the same, skip if($i < count($arr)-1 && $arr[$i] == $arr[$i+1]){ $i++; } else { // found single number. $singleNum = $arr[$i]; } } var_dump($singleNum);

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)
8.4.130.0120.00817.73
8.4.120.0110.00920.27
8.4.110.0050.00418.76
8.4.100.0130.00817.71
8.4.90.0070.00519.55
8.4.80.0060.00317.78
8.4.70.0040.00417.84
8.4.60.0110.00518.47
8.4.50.0120.00517.97
8.4.40.0090.00619.31
8.4.30.0140.00719.62
8.4.20.0040.00417.66
8.4.10.0040.00419.63
8.3.260.0100.00916.84
8.3.250.0120.00718.93
8.3.240.0110.01016.38
8.3.230.0090.01016.45
8.3.220.0060.00317.04
8.3.210.0160.00316.61
8.3.200.0030.00516.65
8.3.190.0110.01118.64
8.3.180.0110.00718.71
8.3.170.0040.00418.54
8.3.160.0180.00016.50
8.3.150.0080.01118.99
8.3.140.0110.00416.66
8.3.130.0080.00018.50
8.3.120.0060.00320.74
8.3.110.0050.00316.75
8.3.100.0040.00424.06
8.3.90.0060.00326.77
8.3.80.0060.00316.63
8.3.70.0110.00716.63
8.3.60.0140.00016.50
8.3.50.0110.01017.31
8.3.40.0150.00018.68
8.3.30.0060.01318.85
8.3.20.0000.00822.04
8.3.10.0050.00322.09
8.3.00.0080.00023.65
8.2.290.0120.00420.54
8.2.280.0110.00818.10
8.2.270.0050.00317.06
8.2.260.0070.01120.74
8.2.250.0040.00418.39
8.2.240.0100.00018.87
8.2.230.0040.00420.94
8.2.220.0100.01037.54
8.2.210.0040.00426.77
8.2.200.0040.00718.66
8.2.190.0070.01016.63
8.2.180.0070.00725.92
8.2.170.0150.00018.96
8.2.160.0070.00722.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00019.83
8.2.110.0030.00622.25
8.2.100.0070.00417.84
8.2.90.0040.00417.84
8.2.80.0030.00517.97
8.2.70.0030.00617.93
8.2.60.0090.00318.16
8.2.50.0000.00818.10
8.2.40.0000.00720.64
8.2.30.0000.00719.20
8.2.20.0050.00218.17
8.2.10.0030.00517.97
8.2.00.0080.00517.87
8.1.330.0090.00918.56
8.1.320.0110.00916.40
8.1.310.0000.00818.48
8.1.300.0030.00620.34
8.1.290.0040.00730.84
8.1.280.0000.01525.92
8.1.270.0000.00824.66
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0070.00417.61
8.1.230.0040.00722.75
8.1.220.0030.00617.79
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0040.00418.59
8.1.160.0000.01018.88
8.1.150.0040.00418.98
8.1.140.0030.00518.48
8.1.130.0100.00319.12
8.1.120.0060.00717.49
8.1.110.0060.00617.46
8.1.100.0060.00817.51
8.1.90.0020.00717.49
8.1.80.0090.00317.37
8.1.70.0080.00217.34
8.1.60.0050.00417.54
8.1.50.0110.00217.46
8.1.40.0070.00517.53
8.1.30.0120.00417.59
8.1.20.0090.00717.59
8.1.10.0080.00817.48
8.1.00.0100.00617.44
8.0.300.0090.00020.05
8.0.290.0080.00016.75
8.0.280.0070.00018.43
8.0.270.0050.00916.83
8.0.260.0020.00817.63
8.0.250.0040.00616.94
8.0.240.0070.00416.91
8.0.230.0060.00416.98
8.0.220.0070.00416.89
8.0.210.0060.00516.76
8.0.200.0080.00316.80
8.0.190.0100.00316.93
8.0.180.0070.00616.88
8.0.170.0090.00416.88
8.0.160.0110.00516.85
8.0.150.0110.00416.83
8.0.140.0100.00416.81
8.0.130.0100.00515.90
8.0.120.0110.00516.80
8.0.110.0120.00316.78
8.0.100.0120.00316.83
8.0.90.0090.00516.76
8.0.80.0090.00716.80
8.0.70.0060.00716.81
8.0.60.0120.00216.75
8.0.50.0080.00616.78
8.0.30.0120.00516.87
8.0.20.0120.00817.22
8.0.10.0070.00716.98
8.0.00.0040.01116.91
7.4.330.0080.00215.78
7.4.320.0040.00816.44
7.4.300.0090.00316.42
7.4.290.0100.00516.53
7.4.280.0110.00516.52
7.4.270.0130.00416.56
7.4.260.0090.00516.48
7.4.250.0090.00616.38
7.4.240.0080.00416.37
7.4.230.0100.00316.42
7.4.220.0100.00816.50
7.4.210.0070.00716.53
7.4.200.0080.00416.50
7.4.190.0100.00316.56
7.4.180.0100.00416.39
7.4.160.0100.00516.48
7.4.150.0110.00516.69
7.4.140.0100.00617.19
7.4.130.0100.00616.48
7.4.120.0110.00716.36
7.4.110.0120.00516.36
7.4.100.0100.00516.40
7.4.90.0100.00416.34
7.4.80.0060.00916.90
7.4.70.0090.00816.41
7.4.60.0120.00516.39
7.4.50.0080.00716.36
7.4.40.0090.00616.39
7.4.30.0120.00516.36
7.4.20.0130.00416.35
7.4.10.0090.00916.32
7.4.00.0080.00816.04
7.3.330.0110.00315.49
7.3.320.0100.00615.41
7.3.310.0130.00316.22
7.3.300.0100.00616.24
7.3.290.0110.00616.23
7.3.280.0090.00816.26
7.3.270.0130.00416.54
7.3.260.0120.00516.32
7.3.250.0130.00516.36
7.3.240.0080.01016.36
7.3.230.0100.00816.20
7.3.220.0150.00416.19
7.3.210.0120.00516.26
7.3.200.0090.00916.27
7.3.190.0130.00616.27
7.3.180.0140.00716.31
7.3.170.0110.00716.38
7.3.160.0110.00716.30
7.3.150.0140.00516.25
7.3.140.0140.00416.25
7.3.130.0130.00416.19
7.3.120.0130.00516.22
7.3.110.0140.00616.20
7.3.100.0130.00516.22
7.3.90.0130.00716.45
7.3.80.0120.00716.25
7.3.70.0120.00616.42
7.3.60.0090.00916.41
7.3.50.0130.00616.33
7.3.40.0100.00716.32
7.3.30.0140.00516.33
7.3.20.0150.00516.85
7.3.10.0150.00616.72
7.3.00.0160.00516.80
7.2.340.0100.00816.50
7.2.330.0160.00716.46
7.2.320.0130.00516.49
7.2.310.0110.00716.49
7.2.300.0110.00616.36
7.2.290.0120.00716.39
7.2.280.0130.00616.37
7.2.270.0090.01016.33
7.2.260.0150.00416.36
7.2.250.0110.00716.34
7.2.240.0130.00716.40
7.2.230.0150.00416.23
7.2.220.0120.00716.42
7.2.210.0140.00616.29
7.2.200.0160.00316.49
7.2.190.0170.00316.40
7.2.180.0090.00816.39
7.2.170.0140.00416.62
7.2.160.0120.00816.56
7.2.150.0150.00616.93
7.2.140.0160.00416.86
7.2.130.0170.00417.07
7.2.120.0180.00617.04
7.2.110.0150.00617.07
7.2.100.0160.00617.02
7.2.90.0140.00816.99
7.2.80.0130.00716.95
7.2.70.0140.00516.97
7.2.60.0100.00817.08
7.2.50.0150.00516.96
7.2.40.0190.00616.98
7.2.30.0130.00817.01
7.2.20.0130.00617.07
7.2.10.0140.00617.10
7.2.00.0150.00617.06
7.1.330.0130.00716.09
7.1.320.0140.00616.09
7.1.310.0220.00716.11
7.1.300.0150.00315.97
7.1.290.0120.00616.15
7.1.280.0130.00816.16
7.1.270.0120.00916.16
7.1.260.0120.00716.11
7.1.250.0150.00415.91
7.1.240.0180.00216.12
7.1.230.0090.01016.10
7.1.220.0130.00616.07
7.1.210.0140.00516.06
7.1.200.0120.00616.04
7.1.190.0130.00516.03
7.1.180.0120.00716.02
7.1.170.0110.00916.11
7.1.160.0150.00415.91
7.1.150.0140.00416.05
7.1.140.0140.00616.08
7.1.130.0260.00316.07
7.1.120.0130.00616.05
7.1.110.0140.00716.08
7.1.100.0130.00516.06
7.1.90.0180.00516.50
7.1.80.0120.00616.57
7.1.70.0100.00816.24
7.1.60.0150.00619.85
7.1.50.0240.00719.44
7.1.40.0150.00619.78
7.1.30.0150.00719.79
7.1.20.0150.00819.74
7.1.10.0130.00516.20
7.1.00.0130.00516.18
7.0.330.0140.00515.76
7.0.320.0140.00415.76
7.0.310.0130.00515.79
7.0.300.0090.00915.75
7.0.290.0130.00515.72
7.0.280.0140.00415.75
7.0.270.0150.00315.71
7.0.260.0140.00315.84
7.0.250.0210.00515.85
7.0.240.0150.00215.93
7.0.230.0100.00716.26
7.0.220.0140.00416.18
7.0.210.0160.00616.10
7.0.200.0110.00616.07
7.0.190.0220.00615.66
7.0.180.0230.00215.90
7.0.170.0080.00816.02
7.0.160.0120.00515.88
7.0.150.0110.00616.00
7.0.140.0100.01015.95
7.0.130.0120.00516.04
7.0.120.0100.00715.95
7.0.110.0130.00515.96
7.0.100.0100.00615.93
7.0.90.0120.00815.86
7.0.80.0090.00715.95
7.0.70.0130.00315.92
7.0.60.0120.00415.86
7.0.50.0110.00615.93
7.0.40.0100.00615.94
7.0.30.0140.00716.02
7.0.20.0120.00515.88
7.0.10.0110.00515.98
7.0.00.0080.00815.99
5.6.400.0120.00715.76
5.6.390.0100.00815.86
5.6.380.0110.00715.82
5.6.370.0130.00415.69
5.6.360.0110.00915.84
5.6.350.0120.00515.85
5.6.340.0130.00515.85
5.6.330.0100.00815.82
5.6.320.0110.00615.86
5.6.310.0130.00615.82
5.6.300.0100.00915.71
5.6.290.0100.00815.81
5.6.280.0120.00515.78
5.6.270.0110.00715.83
5.6.260.0130.00415.79
5.6.250.0130.00515.90
5.6.240.0140.00415.78
5.6.230.0090.00915.98
5.6.220.0110.00615.85
5.6.210.0120.00715.98
5.6.200.0110.00815.89
5.6.190.0110.00615.87
5.6.180.0130.00415.87
5.6.170.0120.00515.82
5.6.160.0110.00615.91
5.6.150.0120.00516.02
5.6.140.0130.00515.89
5.6.130.0120.00515.89
5.6.120.0130.00415.88
5.6.110.0120.00515.79
5.6.100.0110.00615.84
5.6.90.0090.00915.71
5.6.80.0120.00515.85
5.6.70.0090.00815.93
5.6.60.0090.00915.88
5.6.50.0130.00515.76
5.6.40.0110.00715.94
5.6.30.0120.00515.80
5.6.20.0120.00615.80
5.6.10.0140.00515.80
5.6.00.0140.00415.86

preferences:
28.46 ms | 403 KiB | 5 Q