3v4l.org

run code in 300+ PHP versions simultaneously
<?php function zoza($arr) { $names = ''; foreach ($arr as $key => $val) { if (is_array($val)) { $names .= '"' . $key . '"'; $names .= zoza($val); } else { $names .= '"' . $key . '"' . '"' . $val . '"'; } } return $names ; } $data = [ 'a' => 'test', 'b' => [ [ ['something'] ] ] ]; $s = zoza($data); $h = hash('sha256', $s, false); echo $s, PHP_EOL, $h;

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)
8.4.120.0100.01020.48
8.4.110.0090.01018.71
8.4.100.0120.00818.69
8.4.90.0130.00420.62
8.4.80.0060.00219.04
8.4.70.0100.00518.94
8.4.60.0090.01120.50
8.4.50.0090.01117.73
8.4.40.0060.01320.69
8.4.30.0090.00018.76
8.4.20.0070.00418.15
8.4.10.0050.00523.75
8.3.250.0090.00617.24
8.3.240.0100.00816.59
8.3.230.0090.01016.77
8.3.220.0060.00219.16
8.3.210.0080.01016.86
8.3.200.0040.00416.72
8.3.190.0100.00916.86
8.3.180.0120.00716.87
8.3.170.0090.01018.98
8.3.160.0090.00916.59
8.3.150.0110.00717.22
8.3.140.0080.00016.46
8.3.130.0040.00418.23
8.3.120.0070.00320.67
8.3.110.0080.00020.94
8.3.100.0040.00424.06
8.3.90.0070.00726.77
8.3.80.0030.00618.43
8.3.70.0040.01118.39
8.3.60.0350.00722.86
8.3.50.0120.00823.45
8.3.40.0260.00424.58
8.3.30.0160.01423.45
8.3.20.0230.00825.34
8.3.10.0240.00425.50
8.3.00.0250.00626.00
8.2.290.0160.00420.43
8.2.280.0040.00418.34
8.2.270.0090.00918.14
8.2.260.0140.00320.59
8.2.250.0000.00816.78
8.2.240.0040.01117.11
8.2.230.0030.00622.58
8.2.220.0070.00437.54
8.2.210.0150.00426.77
8.2.200.0060.00316.63
8.2.190.0090.00616.58
8.2.180.0240.01322.74
8.2.170.0290.00523.56
8.2.160.0360.00924.94
8.2.150.0340.00525.84
8.2.140.0280.00625.50
8.2.130.0230.00726.00
8.2.120.0230.00723.91
8.2.110.0260.00823.74
8.2.100.0250.01123.25
8.2.90.0240.00723.16
8.2.80.0230.00923.59
8.2.70.0260.00423.16
8.2.60.0280.00723.16
8.2.50.0220.00823.26
8.2.40.0180.01123.21
8.2.30.0230.00923.15
8.2.20.0280.00623.15
8.2.10.0260.00723.15
8.2.00.0280.00523.16
8.1.330.0100.01021.91
8.1.320.0090.01017.94
8.1.310.0110.00418.37
8.1.300.0080.00017.59
8.1.290.0060.00330.84
8.1.280.0220.01225.92
8.1.270.0250.00624.64
8.1.260.0250.00726.06
8.1.250.0250.00926.64
8.1.240.0250.00724.68
8.1.230.0230.00724.27
8.1.220.0210.00423.19
8.1.210.0200.00623.59
8.1.200.0210.01023.06
8.1.190.0200.00723.02
8.1.180.0230.00623.31
8.1.170.0230.00923.15
8.1.160.0250.00923.15
8.1.150.0240.00623.15
8.1.140.0240.00823.15
8.1.130.0250.00423.15
8.1.120.0230.00623.15
8.1.110.0260.00723.15
8.1.100.0270.00623.15
8.1.90.0260.01023.15
8.1.80.0190.01123.15
8.1.70.0250.00923.15
8.1.60.0290.00823.15
8.1.50.0240.00823.15
8.1.40.0220.00823.15
8.1.30.0220.01223.15
8.1.20.0300.00723.15
8.1.10.0320.00823.15
8.1.00.0270.00523.15
8.0.300.0200.00723.96
8.0.290.0210.00622.82
8.0.280.0250.00323.15
8.0.270.0250.00523.15
8.0.260.0260.00623.15
8.0.250.0270.00223.15
8.0.240.0240.00723.15
8.0.230.0230.00523.15
8.0.220.0250.00523.15
8.0.210.0170.00923.15
8.0.200.0200.00623.15
8.0.190.0230.00423.15
8.0.180.0240.00523.15
8.0.170.0200.00823.15
8.0.160.0200.00523.15
8.0.150.0230.00723.15
8.0.140.0240.00623.15
8.0.130.0230.00623.15
8.0.120.0250.00423.15
8.0.110.0250.00423.15
8.0.100.0240.00923.15
8.0.90.0260.00223.15
8.0.80.0230.00823.15
8.0.70.0280.00523.15
8.0.60.0260.00823.15
8.0.50.0270.00523.15
8.0.30.0220.00623.15
8.0.20.0230.00523.15
8.0.10.0220.00523.15

preferences:
27.99 ms | 403 KiB | 5 Q