3v4l.org

run code in 300+ PHP versions simultaneously
<?php $students = [ ["name" => "...", "gender" => "male"], ["name" => "...", "gender" => "female"], ["name" => "...", "gender" => "female"], ["name" => "...", "gender" => "female"], ["name" => "...", "gender" => "male"], ["name" => "...", "gender" => "male"], ["name" => "...", "gender" => "male"], ]; $counters = ['female' => 1, 'male' => 1]; // determine which gender should start from 0 $genderCounts = array_count_values( array_column($students, 'gender') ); arsort($genderCounts); --$counters[key($genderCounts)]; // assign keys $result = []; foreach ($students as $student) { $gender = $student['gender']; $result[$counters[$gender]] = $student; $counters[$gender] += 2; } ksort($result); var_export($result);

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)
8.4.140.0110.01017.84
8.4.130.0070.00817.91
8.4.120.0120.00622.29
8.4.110.0110.00922.16
8.4.100.0140.00817.58
8.4.90.0050.00518.66
8.4.80.0040.00617.82
8.4.70.0030.00517.76
8.4.60.0140.00720.64
8.4.50.0110.01119.49
8.4.40.0130.00617.72
8.4.30.0030.00620.40
8.4.20.0170.00319.69
8.4.10.0190.00020.62
8.3.270.0120.00816.39
8.3.260.0070.00516.76
8.3.250.0050.00618.83
8.3.240.0120.00816.42
8.3.230.0040.00516.76
8.3.220.0010.00717.31
8.3.210.0040.00416.69
8.3.200.0050.00416.74
8.3.190.0050.00317.16
8.3.180.0090.00616.92
8.3.170.0130.00617.07
8.3.160.0130.00318.47
8.3.150.0130.00620.48
8.3.140.0100.00716.68
8.3.130.0030.00518.66
8.3.120.0060.00919.07
8.3.110.0030.00620.94
8.3.100.0040.01124.06
8.3.90.0070.00326.77
8.3.80.0060.00316.63
8.3.70.0070.00718.43
8.3.60.0140.00716.47
8.3.50.0050.01623.58
8.3.40.0070.01421.95
8.3.30.0110.00418.79
8.3.20.0040.00424.18
8.3.10.0050.00224.66
8.3.00.0080.00026.16
8.2.290.0050.00322.16
8.2.280.0100.00618.44
8.2.270.0030.01417.20
8.2.260.0000.01420.14
8.2.250.0110.00716.60
8.2.240.0080.00019.05
8.2.230.0040.00422.58
8.2.220.0100.00037.54
8.2.210.0030.01026.77
8.2.200.0060.00318.29
8.2.190.0140.00716.75
8.2.180.0030.01025.92
8.2.170.0140.00719.09
8.2.160.0030.01722.96
8.2.150.0080.00025.66
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0070.01020.94
8.2.110.0070.00420.99
8.2.100.0040.00819.29
8.2.90.0030.00517.84
8.2.80.0000.00820.41
8.2.70.0040.00417.63
8.2.60.0000.00817.63
8.2.50.0040.00418.05
8.2.40.0020.00518.28
8.2.30.0000.00818.02
8.2.20.0040.00418.10
8.2.10.0040.00319.38
8.2.00.0070.00019.19
8.1.330.0100.00922.14
8.1.320.0100.00916.14
8.1.310.0040.00416.73
8.1.300.0030.00518.61
8.1.290.0110.00030.84
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0080.00022.03
8.1.230.0030.00721.03
8.1.220.0040.00417.74
8.1.210.0060.00618.96
8.1.200.0080.00017.23
8.1.190.0050.00317.22
8.1.180.0000.01118.10
8.1.170.0000.00818.64
8.1.160.0030.00518.87
8.1.150.0040.00419.00
8.1.140.0030.00518.82
8.1.130.0030.00320.14
8.1.120.0080.00017.37
8.1.110.0070.00017.48
8.1.100.0000.00717.51
8.1.90.0000.00817.41
8.1.80.0040.00417.38
8.1.70.0000.00717.48
8.1.60.0000.00917.62
8.1.50.0000.00817.58
8.1.40.0000.00817.55
8.1.30.0040.00417.63
8.1.20.0000.00817.61
8.1.10.0000.00817.45
8.1.00.0040.00417.50
8.0.300.0000.00720.13
8.0.290.0080.00016.75
8.0.280.0000.00820.32
8.0.270.0030.00317.94
8.0.260.0000.00618.37
8.0.250.0000.00716.96
8.0.240.0080.00016.84
8.0.230.0000.00716.95
8.0.220.0000.00716.77
8.0.210.0000.00716.93
8.0.200.0000.00816.98
8.0.190.0040.00416.88
8.0.180.0000.00716.95
8.0.170.0080.00016.99
8.0.160.0040.00416.80
8.0.150.0040.00416.89
8.0.140.0030.00516.75
8.0.130.0000.00513.33
8.0.120.0000.00716.84
8.0.110.0050.00216.86
8.0.100.0000.00816.86
8.0.90.0040.00416.73
8.0.80.0110.00416.83
8.0.70.0000.00816.92
8.0.60.0000.00716.90
8.0.50.0000.00716.73
8.0.30.0180.00417.05
8.0.20.0120.00817.12
8.0.10.0080.00016.91
8.0.00.0070.01316.95
7.4.330.0030.00315.55
7.4.320.0000.00616.62
7.4.300.0060.00016.52
7.4.290.0070.00016.51
7.4.280.0050.00316.51
7.4.270.0000.00716.67
7.4.260.0030.00313.32
7.4.250.0030.00316.48
7.4.240.0030.00316.57
7.4.230.0000.00716.71
7.4.220.0030.00316.56
7.4.210.0110.00516.54
7.4.200.0030.00316.61
7.4.130.0090.00916.64
7.4.120.0140.00416.82
7.4.110.0090.01216.43
7.4.100.0080.01216.45
7.4.90.0070.01316.07
7.4.80.0140.01216.33
7.4.70.0150.00816.24
7.4.60.0130.00816.42
7.4.50.0120.00916.38
7.4.40.0240.00716.10
7.4.30.0130.01116.29
7.4.20.0120.01115.93
7.4.10.0190.00616.07
7.4.00.0070.01216.32
7.3.330.0000.00716.41
7.3.320.0000.00513.14
7.3.310.0030.00316.33
7.3.300.0030.00516.29
7.3.290.0090.00516.37
7.3.260.0150.00416.36
7.3.230.0040.01216.45
7.3.220.0090.01316.23
7.3.210.0070.01516.30
7.3.200.0140.01116.35
7.3.190.0150.00616.43
7.3.180.0140.00816.22
7.3.170.0200.00316.36
7.3.160.0170.01016.28
7.3.150.0180.00916.23
7.3.140.0090.01116.13
7.3.130.0120.00816.44
7.3.120.0150.00616.20
7.3.110.0070.01416.32
7.3.100.0080.01216.43
7.3.90.0100.01016.40
7.3.80.0120.00616.40
7.3.70.0090.00816.40
7.3.60.0120.00616.42
7.3.50.0060.01216.42
7.3.40.0110.00616.35
7.3.30.0000.01816.46
7.3.20.0160.00616.38
7.3.10.0110.00816.41
7.3.00.0140.00716.17
7.2.340.0170.00616.37
7.2.330.0110.01116.38
7.2.320.0120.00916.68
7.2.310.0200.00316.39
7.2.300.0160.01216.45
7.2.290.0220.00716.45
7.2.280.0120.01216.34
7.2.270.0130.01316.42
7.2.260.0140.00816.54
7.2.250.0110.01116.36
7.2.240.0200.00016.53
7.2.230.0080.01516.41
7.2.220.0150.00316.52
7.2.210.0080.01116.59
7.2.200.0100.00916.48
7.2.190.0100.01016.47
7.2.180.0110.00816.53
7.2.170.0060.01716.47
7.2.160.0140.00616.53
7.2.150.0070.01116.85
7.2.140.0120.00716.60
7.2.130.0090.00916.66
7.2.120.0170.00716.53
7.2.110.0070.01316.46
7.2.100.0100.01016.54
7.2.90.0150.00616.57
7.2.80.0150.00516.45
7.2.70.0170.00316.41
7.2.60.0030.01516.51
7.2.50.0150.00916.55
7.2.40.0130.00616.67
7.2.30.0090.01616.83
7.2.20.0030.01816.72
7.2.10.0090.01416.75
7.2.00.0130.00716.53

preferences:
135.1 ms | 403 KiB | 5 Q