3v4l.org

run code in 300+ PHP versions simultaneously
<?php $results = array(); $iterations = 5000; for ($i = 0; $i < $iterations; $i++) { $my_key = uniqid("\x00"); $var = array(); $var[$my_key] = TRUE; foreach ($var as $key => $val) { $equal = ($key === $my_key); } $result_key = (is_numeric($my_key) ? 'Numeric' : 'Non-Numeric').' '.($equal ? 'Equal' : 'Not Equal'); $results[$result_key] = TRUE; } var_dump($results);

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)
7.4.00.0030.01214.57
7.3.120.0070.01115.07
7.3.110.0060.01015.15
7.3.100.0130.00714.84
7.3.90.0090.00914.77
7.3.80.0030.01215.21
7.3.70.0030.01715.01
7.3.60.0090.01214.88
7.3.50.0060.01114.94
7.3.40.0120.00915.01
7.3.30.0090.01214.93
7.3.20.0120.00916.48
7.3.10.0070.01316.48
7.3.00.0040.01216.55
7.2.250.0040.01914.82
7.2.240.0040.01814.85
7.2.230.0120.00914.88
7.2.220.0000.02014.98
7.2.210.0070.02015.07
7.2.200.0030.01914.95
7.2.190.0060.01515.09
7.2.180.0030.01015.20
7.2.170.0070.01515.18
7.2.160.0040.01515.06
7.2.150.0130.00917.07
7.2.140.0070.01416.76
7.2.130.0090.01217.01
7.2.120.0040.01517.03
7.2.110.0030.01016.79
7.2.100.0030.01416.72
7.2.90.0000.02116.93
7.2.80.0030.01316.96
7.2.70.0030.01617.04
7.2.60.0000.02017.02
7.2.50.0000.01717.00
7.2.40.0030.01616.80
7.2.30.0090.00916.76
7.2.20.0090.00917.07
7.2.10.0040.01216.97
7.2.00.0060.01316.85
7.1.330.0240.02416.04
7.1.320.0260.02615.85
7.1.310.0170.03615.78
7.1.300.0230.02615.89
7.1.290.0250.02215.89
7.1.280.0120.04615.92
7.1.270.0230.02715.66
7.1.260.0370.01215.75
7.1.250.0210.02815.82
7.1.70.0030.03216.91
7.1.60.0120.01719.61
7.1.50.0120.02816.68
7.1.00.0130.10022.57
7.0.200.0240.01016.68
7.0.140.0100.09321.97
7.0.100.0130.04719.93
7.0.90.0170.08019.92
7.0.80.0030.06019.94
7.0.70.0130.05020.00
7.0.60.0130.10319.96
7.0.50.0200.09020.27
7.0.40.0300.09019.96
7.0.30.0230.09720.04
7.0.20.0200.10019.95
7.0.10.0330.10320.18
7.0.00.0130.09720.03
5.6.280.0170.10021.12
5.6.250.0030.06720.63
5.6.240.0170.09020.60
5.6.230.0100.05320.55
5.6.220.0100.05320.67
5.6.210.0130.10720.61
5.6.200.0200.07721.18
5.6.190.0130.11321.02
5.6.180.0200.11321.08
5.6.170.0270.10021.03
5.6.160.0100.10021.10
5.6.150.0170.10021.07
5.6.140.0170.10021.01
5.6.130.0170.10021.11
5.6.120.0170.12321.01
5.6.110.0200.09721.09
5.6.100.0130.06320.93
5.6.90.0130.07320.98
5.6.80.0100.09020.46
5.6.70.0170.10720.39
5.6.60.0100.09020.54
5.6.50.0170.10720.33
5.6.40.0200.08720.37
5.6.30.0100.06020.49
5.6.20.0300.08320.30
5.6.10.0200.08720.30
5.6.00.0230.09720.42
5.5.380.0070.10020.43
5.5.370.0170.04720.41
5.5.360.0170.06720.34
5.5.350.0070.10720.34
5.5.340.0100.10720.93
5.5.330.0130.10020.87
5.5.320.0130.09720.64
5.5.310.0100.10320.86
5.5.300.0130.09720.83
5.5.290.0100.10320.82
5.5.280.0130.10320.75
5.5.270.0270.09320.80
5.5.260.0130.10720.72
5.5.250.0200.10020.64
5.5.240.0170.05720.29
5.5.230.0170.10720.13
5.5.220.0130.10020.16
5.5.210.0170.10020.09
5.5.200.0200.10020.12
5.5.190.0200.08020.15
5.5.180.0200.10320.18
5.5.160.0200.08720.15
5.5.150.0200.09020.20
5.5.140.0170.09720.26
5.5.130.0170.08720.12
5.5.120.0270.09320.21
5.5.110.0200.09720.16
5.5.100.0330.08320.04
5.5.90.0130.06720.15
5.5.80.0170.07020.04
5.5.70.0200.08320.06
5.5.60.0300.08320.07
5.5.50.0270.08019.93
5.5.40.0230.10020.07
5.5.30.0200.08020.04
5.5.20.0200.09320.14
5.5.10.0300.08320.07
5.5.00.0200.10020.01
5.4.450.0130.10319.46
5.4.440.0130.10319.44
5.4.430.0200.09719.23
5.4.420.0130.09019.56
5.4.410.0100.09319.36
5.4.400.0130.10019.05
5.4.390.0130.09718.80
5.4.380.0200.09019.12
5.4.370.0230.08319.04
5.4.360.0130.10318.97
5.4.350.0100.08718.81
5.4.340.0130.10718.95
5.4.320.0200.09018.96
5.4.310.0100.09719.23
5.4.300.0170.09319.25
5.4.290.0200.06719.12
5.4.280.0170.10318.96
5.4.270.0300.09018.95
5.4.260.0200.09319.09
5.4.250.0100.10719.22
5.4.240.0100.07719.11
5.4.230.0100.10319.07
5.4.220.0100.10018.95
5.4.210.0130.10318.99
5.4.200.0130.08719.13
5.4.190.0130.05718.93
5.4.180.0130.07719.06
5.4.170.0130.10019.05
5.4.160.0130.09719.04
5.4.150.0130.10718.76
5.4.140.0070.09316.39
5.4.130.0100.09716.37
5.4.120.0300.07016.26
5.4.110.0170.05016.39
5.4.100.0270.09316.33
5.4.90.0170.10316.43
5.4.80.0200.08316.30
5.4.70.0130.08716.33
5.4.60.0170.09316.29
5.4.50.0170.06716.28
5.4.40.0030.06316.39
5.4.30.0100.06016.33
5.4.20.0100.04716.40
5.4.10.0170.07316.15
5.4.00.0070.05015.71
5.3.290.0270.08314.50
5.3.280.0070.06014.57
5.3.270.0130.10714.51
5.3.260.0200.08014.59
5.3.250.0170.09314.42
5.3.240.0030.10714.59
5.3.230.0130.09714.43
5.3.220.0130.09314.56
5.3.210.0030.10314.50
5.3.200.0200.09314.53
5.3.190.0100.09714.43
5.3.180.0170.09014.55
5.3.170.0170.07314.55
5.3.160.0200.08714.39
5.3.150.0170.08714.42
5.3.140.0130.09314.54
5.3.130.0100.05714.54
5.3.120.0070.05314.45
5.3.110.0100.05314.55
5.3.100.0070.05314.03
5.3.90.0100.06013.97
5.3.80.0100.04713.87
5.3.70.0130.04314.01
5.3.60.0030.06013.96
5.3.50.0100.04313.90
5.3.40.0000.06013.76
5.3.30.0130.05713.76
5.3.20.0130.09313.68
5.3.10.0200.09313.61
5.3.00.0200.09713.61
5.2.170.0130.04311.61
5.2.160.0070.08311.61
5.2.150.0100.04011.61
5.2.140.0070.06711.61
5.2.130.0170.06311.61
5.2.120.0130.07011.61
5.2.110.0070.07711.61
5.2.100.0170.05711.61
5.2.90.0130.08011.61
5.2.80.0070.09711.61
5.2.70.0270.07311.61
5.2.60.0200.08311.61
5.2.50.0170.07711.61
5.2.40.0170.07311.61
5.2.30.0100.08711.61
5.2.20.0100.07711.61
5.2.10.0100.07711.61
5.2.00.0130.07311.61
5.1.60.0030.04711.61
5.1.50.0100.07711.61
5.1.40.0130.06711.61
5.1.30.0070.08011.61
5.1.20.0070.08011.61
5.1.10.0030.07711.61
5.1.00.0130.06011.61
5.0.50.0100.07311.61
5.0.40.0070.08011.61
5.0.30.0030.09711.61
5.0.20.0100.06011.61
5.0.10.0100.07711.61
5.0.00.0130.08711.61
4.4.90.0170.06711.61
4.4.80.0070.06711.61
4.4.70.0030.07311.61
4.4.60.0030.07711.61
4.4.50.0070.07011.61
4.4.40.0100.09011.61
4.4.30.0070.07011.61
4.4.20.0100.07311.61
4.4.10.0030.06711.61
4.4.00.0100.05011.61
4.3.110.0130.06011.61
4.3.100.0030.08011.61
4.3.90.0070.06711.61
4.3.80.0070.07711.61
4.3.70.0100.06711.61
4.3.60.0100.06711.61
4.3.50.0130.07011.61
4.3.40.0100.07311.61
4.3.30.0070.04311.61
4.3.20.0200.05711.61
4.3.10.0130.06011.61
4.3.00.0170.06011.61

preferences:
36.95 ms | 401 KiB | 5 Q