3v4l.org

run code in 300+ PHP versions simultaneously
<?php class DebugHelper { public function mapShallow($value, int $maxDepth, &$seenObjects = []) { if (is_object($value)) { $oid = spl_object_id($value); $className = get_class($value) . '#' . $oid; if ($seenObjects[$oid] ?? false) { return '**recursive class: ' . $className . '**'; } $seenObjects[$oid] = true; if ($maxDepth <= 0) { return '**class: ' . $className . '**'; } $value = array_merge(['**class**' => $className], (array) $value); } elseif (!is_array($value)) { return $value; } if ($maxDepth <= 0) { return '**array of size: ' . count($value) . '**'; } $res = []; $unseenObjects = []; foreach ($value as $k => $v) { if (is_object($v)) { $oid = spl_object_id($v); if (!($seenObjects[$oid] ?? false)) { $unseenObjects[$k] = true; } } $res[$k] = $this->mapShallow($v, -1, $seenObjects); } foreach ($value as $k => $v) { if (!is_object($v) && !is_array($v)) { continue; } $seenObjects2 = $seenObjects; if (is_object($v) && ($unseenObjects[$k] ?? false)) { unset($seenObjects2[spl_object_id($v)]); } $res[$k] = $this->mapShallow($v, $maxDepth - 1, $seenObjects2); } return $res; } } $dt = new \DateTime('2000-02-20 10:00'); $arr = [ 'foo', [1, 2, [3]], [$dt], $dt, ]; print_r((new DebugHelper())->mapShallow($arr, 2));

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)
8.5.10.0120.00716.76
8.5.00.0080.01320.44
8.4.150.0010.00114.05
8.4.140.0140.00817.58
8.4.130.0080.00919.61
8.4.120.0040.00420.70
8.4.110.0130.00722.38
8.4.100.0070.01120.59
8.4.90.0130.00718.91
8.4.80.0050.00420.51
8.4.70.0350.00818.99
8.4.60.0360.00517.97
8.4.50.0350.01018.03
8.4.40.0400.00717.83
8.4.30.0380.00917.63
8.4.20.0350.00917.83
8.4.10.0390.00917.46
8.3.280.0110.01318.39
8.3.270.0120.01216.85
8.3.260.0110.00716.86
8.3.250.0080.00918.98
8.3.240.0140.00518.88
8.3.230.0100.00816.68
8.3.220.0120.00620.64
8.3.210.0420.00816.65
8.3.200.0250.00616.60
8.3.190.0360.00716.71
8.3.180.0360.00916.65
8.3.170.0360.01016.61
8.3.160.0370.01016.76
8.3.150.0290.00716.72
8.3.140.0370.00816.54
8.3.130.0330.01016.79
8.3.120.0320.00916.55
8.3.110.0370.00616.62
8.3.100.0360.01016.74
8.3.90.0380.00816.60
8.3.80.0370.01016.79
8.3.70.0350.01316.62
8.3.60.0440.00816.63
8.3.50.0420.00516.49
8.3.40.0370.00917.60
8.3.30.0360.00617.76
8.3.20.0330.00717.93
8.3.10.0240.00617.66
8.3.00.0230.00617.62
8.2.290.0120.00820.51
8.2.280.0300.00816.82
8.2.270.0320.00816.50
8.2.260.0310.01016.47
8.2.250.0330.00616.65
8.2.240.0350.00716.47
8.2.230.0280.01216.49
8.2.220.0330.00916.70
8.2.210.0270.00916.43
8.2.200.0310.00816.61
8.2.190.0310.00816.76
8.2.180.0260.00616.79
8.2.170.0320.00917.87
8.2.160.0360.00717.97
8.2.150.0340.00817.86
8.2.140.0360.00717.63
8.2.130.0420.00717.66
8.2.120.0340.00617.92
8.2.110.0340.01117.97
8.2.100.0330.00917.66
8.2.90.0300.00817.76
8.2.80.0330.01117.81
8.2.70.0380.00817.59
8.2.60.0380.00817.76
8.2.50.0380.00717.77
8.2.40.0390.00917.77
8.2.30.0350.00717.82
8.2.20.0400.00917.50
8.2.10.0290.00917.92
8.2.00.0300.00817.65
8.1.330.0110.00621.73
8.1.320.0300.00916.25
8.1.310.0320.00916.30
8.1.300.0310.00816.55
8.1.290.0320.00716.27
8.1.280.0320.00916.20
8.1.270.0230.00117.66
8.1.260.0320.00617.53
8.1.250.0270.01517.48
8.1.240.0290.01017.52
8.1.230.0330.00917.61
8.1.220.0330.00817.70
8.1.210.0310.00817.63
8.1.200.0290.01017.39
8.1.190.0310.00817.42
8.1.180.0320.00817.43
8.1.170.0280.00817.50
8.1.160.0250.00817.54
8.1.150.0310.00517.38
8.1.140.0280.00817.11
8.1.130.0350.00417.52
8.1.120.0300.00817.61
8.1.110.0270.01317.41
8.1.100.0370.00917.18
8.1.90.0210.00317.48
8.1.80.0320.00517.60
8.1.70.0260.00917.56
8.1.60.0320.00617.66
8.1.50.0310.00817.50
8.1.40.0310.00817.66
8.1.30.0330.00717.74
8.1.20.0310.00917.75
8.1.10.0310.00917.71
8.1.00.0230.00817.53
8.0.300.0210.00816.95
8.0.290.0330.00616.98
8.0.280.0280.01016.62
8.0.270.0270.01016.70
8.0.260.0300.00917.05
8.0.250.0250.00817.00
8.0.240.0220.00816.98
8.0.230.0150.00217.02
8.0.220.0150.00216.75
8.0.210.0290.00917.07
8.0.200.0390.00416.56
8.0.190.0250.00417.04
8.0.180.0220.00617.05
8.0.170.0250.00916.70
8.0.160.0250.00516.88
8.0.150.0320.00617.05
8.0.140.0250.00616.84
8.0.130.0320.00816.68
8.0.120.0420.01016.42
8.0.110.0340.00616.91
8.0.100.0320.01417.14
8.0.90.0310.00716.43
8.0.80.0300.01016.71
8.0.70.0290.00816.85
8.0.60.0310.01016.64
8.0.50.0310.00716.89
8.0.30.0290.00616.91
8.0.20.0260.01217.07
8.0.10.0220.00716.89
8.0.00.0290.00517.18
7.4.330.0220.00516.54
7.4.320.0160.00516.60
7.4.300.0170.00316.25
7.4.290.0290.00616.42
7.4.280.0270.00916.57
7.4.270.0280.00816.38
7.4.260.0290.00616.66
7.4.250.0300.00516.54
7.4.240.0300.00516.57
7.4.230.0250.00516.61
7.4.220.0240.00816.27
7.4.210.0290.00716.32
7.4.200.0280.00716.50
7.4.190.0250.00616.63
7.4.180.0260.00816.55
7.4.160.0280.00616.55
7.4.150.0290.00716.41
7.4.140.0310.00416.42
7.4.130.0340.00716.54
7.4.120.0230.01116.51
7.4.110.0270.00716.57
7.4.100.0340.00816.38
7.4.90.0250.00516.48
7.4.80.0310.00216.41
7.4.70.0280.00516.60
7.4.60.0270.01016.33
7.4.50.0260.00816.20
7.4.40.0270.00716.26
7.4.30.0230.00716.48
7.4.20.0230.01116.20
7.4.10.0290.00516.32
7.4.00.0230.01016.57
7.3.330.0230.00616.27
7.3.320.0310.00216.21
7.3.310.0220.01216.36
7.3.300.0200.01016.31
7.3.290.0220.00816.39
7.3.280.0240.01116.47
7.3.270.0240.00916.39
7.3.260.0240.00916.22
7.3.250.0290.00716.25
7.3.240.0230.00916.30
7.3.230.0310.00616.20
7.3.220.0260.00816.29
7.3.210.0260.00416.46
7.3.200.0240.00516.23
7.3.190.0270.00916.33
7.3.180.0270.00916.51
7.3.170.0280.00816.47
7.3.160.0300.00516.30
7.3.150.0270.00916.30
7.3.140.0330.00316.25
7.3.130.0320.00616.48
7.3.120.0250.00916.34
7.3.110.0320.00816.23
7.3.100.0250.00816.20
7.3.90.0130.00416.37
7.3.80.0130.00316.43
7.3.70.0260.00516.23
7.3.60.0160.00416.54
7.3.50.0120.00316.66
7.3.40.0230.01116.52
7.3.30.0230.01016.59
7.3.20.0240.00818.06
7.3.10.0290.00718.14
7.3.00.0300.00718.13
7.2.340.0270.00816.31
7.2.330.0270.00516.53
7.2.320.0220.00916.46
7.2.310.0260.00916.50
7.2.300.0260.00416.70
7.2.290.0290.00516.46
7.2.280.0250.00516.45
7.2.270.0230.01016.43
7.2.260.0230.01016.33
7.2.250.0260.00716.31
7.2.240.0230.01016.44
7.2.230.0260.00816.39
7.2.220.0290.00416.36
7.2.210.0250.00916.23
7.2.200.0270.00716.73
7.2.190.0270.00616.47
7.2.180.0290.00516.68
7.2.170.0280.00516.71
7.2.160.0290.00916.51
7.2.150.0330.00818.21
7.2.140.0310.00818.31
7.2.130.0280.00818.25
7.2.120.0320.00718.46
7.2.110.0300.00818.57
7.2.100.0260.01218.55
7.2.90.0300.00518.34
7.2.80.0290.01318.56
7.2.70.0310.00718.46
7.2.60.0290.01318.30
7.2.50.0220.00518.40
7.2.40.0260.00718.51
7.2.30.0280.00818.46
7.2.20.0220.00718.43
7.2.10.0250.00518.64
7.2.00.0240.00718.69
7.1.330.0220.00917.61
7.1.320.0230.01017.31
7.1.310.0250.00417.36
7.1.300.0220.00617.27
7.1.290.0180.00617.46
7.1.280.0250.00717.24
7.1.270.0250.00617.29
7.1.260.0250.00717.36
7.1.250.0230.00417.28
7.1.240.0180.00617.44
7.1.230.0140.00617.46
7.1.220.0240.00617.25
7.1.210.0130.00317.44
7.1.200.0100.00517.41
7.1.190.0260.00617.28
7.1.180.0260.00617.32
7.1.170.0240.00817.19
7.1.160.0250.00617.43
7.1.150.0250.00617.34
7.1.140.0290.01017.05
7.1.130.0240.00617.31
7.1.120.0230.00817.31
7.1.110.0240.00817.18
7.1.100.0280.00617.23
7.1.90.0240.01017.22
7.1.80.0220.01117.12
7.1.70.0220.01016.99
7.1.60.0250.00617.30
7.1.50.0210.00617.36
7.1.40.0190.00717.30
7.1.30.0250.00717.24
7.1.20.0220.00817.14
7.1.10.0220.01016.94
7.1.00.0210.00917.27
7.0.330.0220.00716.75
7.0.320.0230.00816.54
7.0.310.0200.01016.91
7.0.300.0240.00716.66
7.0.290.0200.01016.95
7.0.280.0250.00717.01
7.0.270.0160.01317.16
7.0.260.0270.00817.00
7.0.250.0250.00817.05
7.0.240.0300.00717.07
7.0.230.0250.00616.94
7.0.220.0210.00817.17
7.0.210.0270.00517.23
7.0.200.0200.00917.14
7.0.190.0220.00617.20
7.0.180.0240.00817.08
7.0.170.0240.00717.22
7.0.160.0220.00717.19
7.0.150.0240.00617.20
7.0.140.0180.00317.05
7.0.130.0120.00117.28
7.0.120.0100.00417.35
7.0.110.0100.00317.26
7.0.100.0070.00617.28
7.0.90.0220.00716.70
7.0.80.0260.00917.10
7.0.70.0240.00917.23
7.0.60.0260.00617.16
7.0.50.0230.00417.01
7.0.40.0230.00417.14
7.0.30.0220.00417.22
7.0.20.0110.00417.14
7.0.10.0200.00917.08
7.0.00.0270.00516.97
5.6.400.0160.01116.20
5.6.390.0210.01016.20
5.6.380.0250.01016.20
5.6.370.0170.00816.20
5.6.360.0170.00616.20
5.6.350.0240.00516.20
5.6.340.0190.00716.20
5.6.330.0220.00716.20
5.6.320.0230.00716.20
5.6.310.0220.00516.20
5.6.300.0190.00416.20
5.6.290.0150.00316.20
5.6.280.0220.00816.20
5.6.270.0230.00816.20
5.6.260.0150.00216.20
5.6.250.0200.00916.20
5.6.240.0290.00516.20
5.6.230.0210.00916.20
5.6.220.0240.00616.20
5.6.210.0240.00616.20
5.6.200.0230.00716.20
5.6.190.0240.00616.20
5.6.180.0220.00816.20
5.6.170.0260.00316.20
5.6.160.0200.00916.20
5.6.150.0240.00616.20
5.6.140.0240.00616.20
5.6.130.0210.00916.20
5.6.120.0280.00616.20
5.6.110.0220.00616.20
5.6.100.0230.00616.20
5.6.90.0250.00616.20
5.6.80.0280.00516.20
5.6.70.0210.00916.20
5.6.60.0390.00516.20
5.6.50.0220.00716.20
5.6.40.0210.00816.20
5.6.30.0250.00916.20
5.6.20.0260.00516.20
5.6.10.0240.00716.20
5.6.00.0180.01416.20
5.5.380.0240.00516.20
5.5.370.0240.00516.20
5.5.360.0230.00616.20
5.5.350.0250.00516.20
5.5.340.0260.00416.20
5.5.330.0220.00816.20
5.5.320.0180.00616.20
5.5.310.0270.00516.20
5.5.300.0240.00616.20
5.5.290.0250.00516.20
5.5.280.0200.00916.20
5.5.270.0230.01016.20
5.5.260.0210.00916.20
5.5.250.0220.00716.20
5.5.240.0200.01016.20
5.5.230.0220.00816.20
5.5.220.0200.01016.20
5.5.210.0240.00616.20
5.5.200.0220.00816.20
5.5.190.0200.00816.20
5.5.180.0220.00616.20
5.5.170.0230.00416.20
5.5.160.0210.00716.20
5.5.150.0260.00516.20
5.5.140.0230.00616.20
5.5.130.0240.00516.20
5.5.120.0230.00616.20
5.5.110.0230.00616.20
5.5.100.0170.01116.20
5.5.90.0200.01016.20
5.5.80.0230.00516.20
5.5.70.0240.00616.20
5.5.60.0220.00616.20
5.5.50.0220.00616.20
5.5.40.0300.00616.20
5.5.30.0260.00316.20
5.5.20.0180.00516.20
5.5.10.0260.00616.20
5.5.00.0220.00716.20
5.4.450.0160.00616.20
5.4.440.0190.00416.20
5.4.430.0200.00416.20
5.4.420.0210.00416.20
5.4.410.0190.00416.20
5.4.400.0180.00516.20
5.4.390.0230.00316.20
5.4.380.0160.00716.20
5.4.370.0160.00716.20
5.4.360.0180.00716.20
5.4.350.0140.00516.20
5.4.340.0190.00516.20
5.4.330.0200.00416.20
5.4.320.0130.00516.20
5.4.310.0140.00716.20
5.4.300.0170.00616.20
5.4.290.0140.00916.20
5.4.280.0190.00216.20
5.4.270.0180.00516.20
5.4.260.0160.00616.20
5.4.250.0190.00416.20
5.4.240.0170.00416.20
5.4.230.0140.00416.20
5.4.220.0160.00716.20
5.4.210.0180.00516.20
5.4.200.0170.00516.20
5.4.190.0160.00616.20
5.4.180.0190.00616.20
5.4.170.0170.00516.20
5.4.160.0160.00316.20
5.4.150.0130.00216.20
5.4.140.0160.00416.20
5.4.130.0150.00416.20
5.4.120.0190.00316.20
5.4.110.0220.00216.20
5.4.100.0180.00516.20
5.4.90.0180.00516.20
5.4.80.0160.00616.20
5.4.70.0170.00616.20
5.4.60.0170.00516.20
5.4.50.0160.00616.20
5.4.40.0180.00416.20
5.4.30.0160.00816.20
5.4.20.0150.00716.20
5.4.10.0150.00716.20
5.4.00.0190.00416.20
5.3.290.0170.00816.20
5.3.280.0230.00416.20
5.3.270.0210.00716.20
5.3.260.0170.00616.20
5.3.250.0150.00416.20
5.3.240.0180.00616.20
5.3.230.0190.00416.20
5.3.220.0190.00316.20
5.3.210.0150.00416.20
5.3.200.0170.00516.20
5.3.190.0170.00416.20
5.3.180.0150.00816.20
5.3.170.0190.00416.20
5.3.160.0170.00416.20
5.3.150.0120.00416.20
5.3.140.0180.00616.20
5.3.130.0180.00516.20
5.3.120.0170.00616.20
5.3.110.0140.00516.20
5.3.100.0060.00616.20
5.3.90.0140.00416.20
5.3.80.0130.00216.20
5.3.70.0070.00516.20
5.3.60.0070.00416.20
5.3.50.0070.00316.20
5.3.40.0170.00516.20
5.3.30.0170.00716.20
5.3.20.0140.00816.20
5.3.10.0170.00516.20
5.3.00.0150.00716.20
5.2.170.0160.00516.20
5.2.160.0150.00416.20
5.2.150.0160.00216.20
5.2.140.0110.00816.20
5.2.130.0130.00716.20
5.2.120.0140.00616.20
5.2.110.0160.00416.20
5.2.100.0160.00516.20
5.2.90.0150.00416.20
5.2.80.0160.00216.20
5.2.70.0120.00616.20
5.2.60.0140.00516.20
5.2.50.0140.00416.20
5.2.40.0110.00716.20
5.2.30.0150.00316.20
5.2.20.0130.00516.20
5.2.10.0150.00416.20
5.2.00.0110.00616.20
5.1.60.0090.00716.20
5.1.50.0140.00216.20
5.1.40.0120.00416.20
5.1.30.0140.00316.20
5.1.20.0110.00616.20
5.1.10.0110.00616.20
5.1.00.0100.00616.20
5.0.50.0140.00216.20
5.0.40.0130.00316.20
5.0.30.0090.00216.20
5.0.20.0080.00316.20
5.0.10.0070.00416.20
5.0.00.0080.00316.20
4.4.90.0050.00116.20
4.4.80.0050.00116.20
4.4.70.0050.00116.20
4.4.60.0030.00116.20
4.4.50.0030.00016.20
4.4.40.0030.00116.20
4.4.30.0040.00016.20
4.4.20.0070.00016.20
4.4.10.0060.00216.20
4.4.00.0070.00116.20
4.3.110.0060.00216.20
4.3.100.0080.00116.20
4.3.90.0080.00016.20
4.3.80.0060.00216.20
4.3.70.0070.00116.20
4.3.60.0070.00116.20
4.3.50.0070.00116.20
4.3.40.0060.00216.20
4.3.30.0060.00116.20
4.3.20.0050.00216.20
4.3.10.0050.00116.20
4.3.00.0060.00016.20

preferences:
30.54 ms | 403 KiB | 5 Q