3v4l.org

run code in 300+ PHP versions simultaneously
<?php $numeric_fails = 0; $non_numeric_fails = 0; $iterations = 1000; $results = array( 'Numeric Equal' => NULL, 'Non-numeric Equal' => NULL, 'Numeric Fail' => NULL, 'Non-numeric Fail' => NULL ); for ($i = 0; $i < $iterations; $i++) { $my_key = uniqid("\x00"); $var = array(); $var[$my_key] = TRUE; foreach ($var as $key => $val) { if ($key === $my_key) { if (is_numeric($my_key)) { $results['Numeric Equal'] = TRUE; } else { $results['Non-numeric Equal'] = TRUE; } } else { if (is_numeric($my_key)) { $results['Numeric Fail'] = TRUE; } else { $results['Non-numeric Fail'] = TRUE; } } } } var_dump($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)
7.3.120.0030.01514.57
7.3.110.0080.00614.93
7.3.100.0000.01415.05
7.3.90.0120.00314.79
7.3.80.0000.01014.89
7.3.70.0150.00015.04
7.3.60.0070.00714.71
7.3.50.0100.00714.80
7.3.40.0070.00714.79
7.3.30.0040.01115.00
7.3.20.0130.00316.38
7.3.10.0070.00716.56
7.3.00.0060.00616.63
7.2.240.0040.01114.99
7.2.230.0070.00714.89
7.2.220.0070.01015.16
7.2.210.0070.00714.86
7.2.200.0040.00815.11
7.2.190.0030.01014.93
7.2.180.0030.01315.09
7.2.170.0100.00715.04
7.2.160.0000.01614.95
7.2.150.0100.00616.79
7.2.140.0000.01716.71
7.2.130.0050.00916.84
7.2.120.0070.00816.91
7.2.110.0050.01016.87
7.2.100.0050.00916.91
7.2.90.0080.00816.91
7.2.80.0040.00916.91
7.2.70.0030.01216.96
7.2.60.0030.01016.90
7.2.50.0040.00816.96
7.2.40.0040.00916.93
7.2.30.0050.01116.93
7.2.20.0050.00716.95
7.2.10.0080.00616.91
7.2.00.0070.00416.81
7.1.330.0040.01115.84
7.1.320.0030.01415.80
7.1.310.0090.01415.93
7.1.300.0150.00816.01
7.1.290.0100.00715.66
7.1.280.0090.01315.65
7.1.270.0130.00915.98
7.1.260.0090.00915.61
7.1.250.0060.01415.80
7.1.240.0080.00815.82
7.1.230.0050.01115.83
7.1.220.0030.01715.55
7.1.210.0200.00015.69
7.1.200.0070.01115.54
7.1.190.0140.00815.57
7.1.180.0040.01815.58
7.1.170.0110.00615.82
7.1.160.0100.01015.77
7.1.150.0080.01215.75
7.1.140.0080.01315.83
7.1.130.0090.00715.82
7.1.120.0050.01415.95
7.1.110.0040.01615.76
7.1.100.0000.01815.79
7.1.90.0140.00315.79
7.1.80.0050.01015.85
7.1.70.0090.00916.42
7.1.60.0050.01917.73
7.1.50.0080.01516.46
7.1.40.0110.00415.62
7.1.30.0110.00715.61
7.1.20.0050.01415.60
7.1.10.0070.01215.93
7.1.00.0030.04619.18
7.0.330.0130.00815.33
7.0.320.0070.01015.36
7.0.310.0070.01115.45
7.0.300.0110.00615.20
7.0.290.0090.00915.53
7.0.280.0100.01015.11
7.0.270.0110.00615.59
7.0.260.0100.01315.55
7.0.250.0060.00915.29
7.0.240.0120.00615.32
7.0.230.0050.00915.64
7.0.220.0130.00815.23
7.0.210.0070.00715.14
7.0.200.0070.00915.97
7.0.190.0090.01115.52
7.0.180.0120.00715.55
7.0.170.0150.00615.34
7.0.160.0040.01315.25
7.0.150.0140.00515.46
7.0.140.0080.03918.72
7.0.130.0100.00615.29
7.0.120.0040.01315.55
7.0.110.0040.01515.50
7.0.100.0050.01515.51
7.0.90.0140.00315.50
7.0.80.0070.01515.44
7.0.70.0000.01615.16
7.0.60.0090.02417.69
7.0.50.0090.03716.57
7.0.40.0090.02916.73
7.0.30.0110.03116.80
7.0.20.0130.02816.84
7.0.10.0150.05016.83
7.0.00.0030.03216.77
5.6.380.0110.00714.48
5.6.370.0120.01214.02
5.6.360.0070.01014.04
5.6.350.0070.01414.28
5.6.340.0020.01614.69
5.6.330.0160.00013.95
5.6.320.0060.00814.75
5.6.310.0040.01314.71
5.6.300.0070.01614.69
5.6.290.0060.01614.72
5.6.280.0050.04817.69
5.6.270.0150.00814.67
5.6.260.0100.01314.22
5.6.250.0080.01214.29
5.6.240.0000.02014.13
5.6.230.0110.00814.52
5.6.220.0050.01414.54
5.6.210.0050.04117.48
5.6.200.0070.05216.28
5.6.190.0080.04817.24
5.6.180.0170.02917.55
5.6.170.0240.03017.51
5.6.160.0050.05617.50
5.6.150.0050.03316.23
5.6.140.0080.04316.20
5.6.130.0070.05416.36
5.6.120.0130.04817.62
5.6.110.0050.04317.77
5.6.100.0130.04317.83
5.6.90.0070.05017.61
5.6.80.0110.03717.48
5.6.70.0190.04517.33
5.6.60.0150.00914.29
5.6.50.0060.01214.30
5.6.40.0170.00814.25
5.6.30.0060.01914.50
5.6.20.0080.01914.27
5.6.10.0060.01814.22
5.6.00.0130.01314.50
5.5.380.0000.01911.29
5.5.370.0140.00511.02
5.5.360.0050.01011.12
5.5.350.0040.04715.81
5.5.340.0100.04014.48
5.5.330.0100.04515.73
5.5.320.0190.02915.74
5.5.310.0120.05015.53
5.5.300.0060.02914.63
5.5.290.0130.02914.48
5.5.280.0110.04416.09
5.5.270.0080.05016.05
5.5.260.0080.04515.94
5.5.250.0050.05315.98
5.5.240.0100.02315.63
5.5.230.0080.01011.18
5.5.220.0070.01211.13
5.5.210.0050.01611.09
5.5.200.0060.00611.30
5.5.190.0150.00611.11
5.5.180.0100.01010.91
5.5.170.0150.00510.98
5.5.160.0080.01211.20
5.5.150.0060.01211.16
5.5.140.0000.01610.94
5.5.130.0070.01011.20
5.5.120.0100.00711.25
5.5.110.0150.00211.09
5.5.100.0080.00810.82
5.5.90.0120.00611.15
5.5.80.0060.00911.25
5.5.70.0060.01611.24
5.5.60.0090.00911.12
5.5.50.0080.01111.21
5.5.40.0040.01411.03
5.5.30.0160.00011.07
5.5.20.0100.00711.20
5.5.10.0030.01211.00
5.5.00.0080.00811.13
5.4.450.0210.03115.22
5.4.440.0200.02815.32
5.4.430.0190.03615.23
5.4.420.0390.02615.38
5.4.410.0230.02115.17
5.4.400.0240.02414.96
5.4.390.0330.02014.96
5.4.380.0280.04614.83
5.4.370.0200.04814.75
5.4.360.0340.03914.81
5.4.350.0210.04514.86
5.4.340.0260.04214.78
5.4.330.0100.01011.09
5.4.320.0080.03811.76
5.4.310.0080.03511.63
5.4.300.0070.03411.63
5.4.290.0100.02911.85
5.4.280.0130.03011.74
5.4.270.0090.02511.71
5.4.260.0080.02911.74
5.4.250.0060.02911.76
5.4.240.0150.02511.80
5.4.230.0130.02811.78
5.4.220.0120.02711.63
5.4.210.0090.02711.68
5.4.200.0050.03311.63
5.4.190.0110.03011.72
5.4.180.0080.02811.63
5.4.170.0040.03011.65
5.4.160.0130.02511.63
5.4.150.0070.03111.50
5.4.140.0110.02911.42
5.4.130.0090.03111.60
5.4.120.0050.03311.54
5.4.110.0090.03111.47
5.4.100.0100.02511.42
5.4.90.0100.02611.51
5.4.80.0090.03111.48
5.4.70.0080.02411.52
5.4.60.0060.03311.46
5.4.50.0080.02811.37
5.4.40.0120.02511.40
5.4.30.0090.02911.48
5.4.20.0080.03411.53
5.4.10.0080.03011.53
5.4.00.0090.02711.34
5.3.290.0140.03511.67
5.3.280.0060.03311.57
5.3.270.0090.03011.61
5.3.260.0090.03011.65
5.3.250.0090.03011.69
5.3.240.0110.03011.58
5.3.230.0120.02811.62
5.3.220.0090.03411.50
5.3.210.0120.02911.62
5.3.200.0100.02911.60
5.3.190.0090.03111.52
5.3.180.0100.03011.66
5.3.170.0070.03611.71
5.3.160.0070.03411.63
5.3.150.0090.02711.66
5.3.140.0110.03011.62
5.3.130.0080.03811.48
5.3.120.0100.02911.62
5.3.110.0120.03011.59
5.3.100.0140.02811.38
5.3.90.0090.03111.33
5.3.80.0140.03011.25
5.3.70.0070.03811.27
5.3.60.0120.03211.22
5.3.50.0130.02811.26
5.3.40.0140.02811.22
5.3.30.0110.02711.14
5.3.20.0100.02611.01
5.3.10.0100.02810.97
5.3.00.0080.03110.94
5.2.170.0100.0279.36
5.2.160.0090.0249.36
5.2.150.0080.0319.37
5.2.140.0060.0259.34
5.2.130.0080.0239.17
5.2.120.0090.0229.31
5.2.110.0040.0299.30
5.2.100.0080.0229.33
5.2.90.0080.0259.27
5.2.80.0080.0339.26
5.2.70.0070.0299.23
5.2.60.0090.0269.04
5.2.50.0150.0269.21
5.2.40.0050.0349.28
5.2.30.0090.0299.24
5.2.20.0090.0338.99
5.2.10.0110.0239.12
5.2.00.0120.0258.88
5.1.60.0100.0278.25
5.1.50.0090.0278.25
5.1.40.0080.0258.19
5.1.30.0080.0268.45
5.1.20.0110.0308.51
5.1.10.0100.0228.39
5.1.00.0070.0288.33
5.0.50.0090.0217.48
5.0.40.0100.0237.41
5.0.30.0100.0247.31
5.0.20.0060.0247.31
5.0.10.0070.0307.30
5.0.00.0100.0277.29
4.4.90.0090.0216.55
4.4.80.0090.0216.54
4.4.70.0110.0156.54
4.4.60.0060.0236.54
4.4.50.0030.0256.54
4.4.40.0080.0296.51
4.4.30.0050.0226.54
4.4.20.0120.0156.58
4.4.10.0050.0206.58
4.4.00.0070.0226.54
4.3.110.0070.0186.49
4.3.100.0110.0206.49
4.3.90.0030.0246.48
4.3.80.0050.0256.45
4.3.70.0040.0246.47
4.3.60.0040.0256.47
4.3.50.0080.0186.47
4.3.40.0090.0236.43
4.3.30.0070.0205.83
4.3.20.0090.0225.82
4.3.10.0090.0245.80
4.3.00.0040.01711.13

preferences:
36.82 ms | 401 KiB | 5 Q