3v4l.org

run code in 300+ PHP versions simultaneously
<?php $user = ['admin', (string)time()]; $a=&$user; echo $a;

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)
7.4.10.0030.01014.79
7.4.00.0030.01315.00
7.3.130.0030.01415.13
7.3.120.0100.00814.68
7.3.110.0070.01214.78
7.3.100.0050.01015.08
7.3.90.0070.01014.80
7.3.80.0030.01114.90
7.3.70.0060.00614.79
7.3.60.0030.01014.95
7.3.50.0050.00614.87
7.3.40.0020.01314.83
7.3.30.0090.00714.87
7.3.20.0070.00616.63
7.3.10.0060.00716.78
7.3.00.0090.00216.63
7.2.260.0070.01114.98
7.2.250.0080.01015.04
7.2.240.0020.01214.76
7.2.230.0060.00515.09
7.2.220.0030.01014.98
7.2.210.0060.00514.84
7.2.200.0070.00814.85
7.2.190.0100.00714.90
7.2.180.0040.00714.92
7.2.170.0030.00814.93
7.2.160.0060.00614.98
7.2.150.0030.01016.73
7.2.140.0100.00316.78
7.2.130.0080.00616.95
7.2.120.0050.00916.86
7.2.110.0090.00316.91
7.2.100.0100.00316.84
7.2.90.0080.00817.00
7.2.80.0080.00516.86
7.2.70.0020.01316.92
7.2.60.0050.00816.77
7.2.50.0070.00616.97
7.2.40.0020.01116.84
7.2.30.0050.00816.81
7.2.20.0040.00716.93
7.2.10.0050.00916.91
7.2.00.0100.00517.61
7.1.330.0040.00915.73
7.1.320.0030.01215.77
7.1.310.0060.00515.80
7.1.300.0070.00815.76
7.1.290.0050.00615.79
7.1.280.0030.00915.72
7.1.270.0010.01115.72
7.1.260.0080.00515.79
7.1.250.0080.00515.78
7.1.240.0060.00915.62
7.1.230.0070.00715.50
7.1.220.0030.00915.69
7.1.210.0000.01915.63
7.1.200.0000.01215.70
7.1.190.0030.01015.88
7.1.180.0100.00715.48
7.1.170.0080.00815.72
7.1.160.0030.01415.88
7.1.150.0110.00315.85
7.1.140.0070.00715.76
7.1.130.0000.01415.91
7.1.120.0070.01015.74
7.1.110.0030.00915.73
7.1.100.0040.00817.08
7.1.90.0080.00415.92
7.1.80.0040.01015.81
7.1.70.0030.00816.48
7.1.60.0040.01617.69
7.1.50.0090.00916.33
7.1.40.0030.01015.89
7.1.30.0030.01015.90
7.1.20.0090.00615.70
7.1.10.0080.00315.63
7.1.00.0070.04019.15
7.0.330.0130.00315.27
7.0.320.0030.01215.37
7.0.310.0040.01115.34
7.0.300.0030.00915.38
7.0.290.0030.00815.53
7.0.280.0120.00315.49
7.0.270.0000.01215.57
7.0.260.0080.00415.64
7.0.250.0030.01015.52
7.0.240.0060.00615.29
7.0.230.0060.00315.46
7.0.220.0040.01115.64
7.0.210.0040.01115.51
7.0.200.0050.00816.00
7.0.190.0040.00815.23
7.0.180.0090.00315.59
7.0.170.0090.00415.49
7.0.160.0100.00315.36
7.0.150.0120.00315.33
7.0.140.0060.00615.32
7.0.130.0040.00415.30
7.0.120.0070.00715.42
7.0.110.0030.01115.33
7.0.100.0090.00615.47
7.0.90.0100.00715.59
7.0.80.0030.02317.55
7.0.70.0050.03617.73
7.0.60.0070.02817.73
7.0.50.0090.02417.84
7.0.40.0060.02016.74
7.0.30.0020.02716.79
7.0.20.0060.03816.58
7.0.10.0020.03116.85
7.0.00.0050.02216.83
5.6.400.0070.01014.42
5.6.390.0030.01414.55
5.6.380.0110.00314.14
5.6.370.0040.01514.26
5.6.360.0040.01114.31
5.6.350.0070.01014.45
5.6.340.0030.01014.43
5.6.330.0150.00014.55
5.6.320.0120.00314.29
5.6.310.0030.00914.30
5.6.300.0070.00714.25
5.6.290.0090.00614.39
5.6.280.0070.01717.59
5.6.270.0000.01314.31
5.6.260.0100.00714.10
5.6.250.0070.00714.64
5.6.240.0100.00714.31
5.6.230.0070.02317.35
5.6.220.0020.02717.42
5.6.210.0040.02217.49
5.6.200.0050.02617.81
5.6.190.0030.02717.53
5.6.180.0040.02917.71
5.6.170.0050.02817.83
5.6.160.0060.02317.60
5.6.150.0090.02217.72
5.6.140.0100.01917.70
5.6.130.0020.02717.74
5.6.120.0090.02017.75
5.6.110.0040.03417.54
5.6.100.0060.03317.60
5.6.90.0070.02317.67
5.6.80.0000.03917.26
5.6.70.0070.03217.40
5.6.60.0050.02317.35
5.6.50.0020.04417.40
5.6.40.0080.03817.14
5.6.30.0150.02317.46
5.6.20.0070.02617.20
5.6.10.0120.04017.32
5.6.00.0150.03517.22
5.5.380.0090.00614.21
5.5.370.0050.02317.21
5.5.360.0070.03517.42
5.5.350.0030.02317.35
5.5.340.0030.02517.52
5.5.330.0050.02317.38
5.5.320.0090.01817.47
5.5.310.0040.02217.57
5.5.300.0120.01717.56
5.5.290.0080.02217.71
5.5.280.0050.03017.68
5.5.270.0020.04717.29
5.5.260.0120.02117.34
5.5.250.0050.02217.52
5.5.240.0040.02117.20
5.5.230.0070.02117.10
5.5.220.0020.02717.00
5.5.210.0050.02017.22
5.5.200.0080.03017.13
5.5.190.0070.04417.09
5.5.180.0090.04017.10
5.5.170.0070.00714.29
5.5.160.0070.03517.16
5.5.150.0050.03817.21
5.5.140.0070.02217.25
5.5.130.0050.02917.16
5.5.120.0070.03017.12
5.5.110.0140.03917.22
5.5.100.0100.02917.29
5.5.90.0070.03817.19
5.5.80.0090.03617.12
5.5.70.0080.03816.99
5.5.60.0080.03817.16
5.5.50.0080.02617.11
5.5.40.0070.04317.19
5.5.30.0080.04017.06
5.5.20.0160.03217.05
5.5.10.0030.03617.13
5.5.00.0070.04017.16
5.4.450.0030.02215.13
5.4.440.0000.02615.18
5.4.430.0130.01715.08
5.4.420.0090.02015.13
5.4.410.0030.02515.09
5.4.400.0030.01814.97
5.4.390.0040.02114.86
5.4.380.0030.02614.97
5.4.370.0000.02314.97
5.4.360.0060.03814.87
5.4.350.0080.03314.96
5.4.340.0020.02814.91
5.4.330.0070.00310.89
5.4.320.0080.03614.88
5.4.310.0080.02215.00
5.4.300.0050.02314.99
5.4.290.0090.03914.95
5.4.280.0090.02814.89
5.4.270.0060.02414.92
5.4.260.0030.03914.81
5.4.250.0070.04014.89
5.4.240.0030.03515.11
5.4.230.0030.03614.87
5.4.220.0080.04014.85
5.4.210.0080.03815.06
5.4.200.0030.04214.87
5.4.190.0090.03614.87
5.4.180.0050.04014.98
5.4.170.0080.02714.94
5.4.160.0100.02514.87
5.4.150.0080.03814.84
5.4.140.0050.04213.60
5.4.130.0100.03513.48
5.4.120.0100.03513.70
5.4.110.0030.03813.54
5.4.100.0080.03813.60
5.4.90.0070.03313.63
5.4.80.0050.04013.55
5.4.70.0030.04413.43
5.4.60.0030.03913.66
5.4.50.0050.03913.63
5.4.40.0070.03713.43
5.4.30.0040.03913.57
5.4.20.0050.03813.69
5.4.10.0100.03213.41
5.4.00.0100.02513.33

preferences:
30.84 ms | 404 KiB | 6 Q