3v4l.org

run code in 300+ PHP versions simultaneously
<?php $username = $_GET['user'] ?: 'nobody'; var_dump($username); $username = $_GET['user'] ?? 'nobody'; var_dump($username);

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)
8.3.70.0030.01216.88
8.3.60.0070.01116.63
8.3.50.0120.00621.92
8.3.40.0070.00718.51
8.3.30.0110.00418.53
8.3.20.0050.00320.16
8.3.10.0060.00323.70
8.3.00.0080.00019.79
8.2.190.0180.00016.75
8.2.180.0120.00318.39
8.2.170.0080.00822.96
8.2.160.0100.01020.36
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00821.04
8.2.120.0070.01126.35
8.2.110.0100.00020.52
8.2.100.0060.00617.84
8.2.90.0080.00019.25
8.2.80.0000.00817.97
8.2.70.0100.00017.59
8.2.60.0030.00617.92
8.2.50.0000.00818.07
8.2.40.0090.00020.43
8.2.30.0000.00720.62
8.2.20.0040.00417.68
8.2.10.0000.00718.14
8.2.00.0040.00418.00
8.1.280.0110.00425.92
8.1.270.0090.00920.25
8.1.260.0030.01028.09
8.1.250.0040.00428.09
8.1.240.0050.00523.92
8.1.230.0080.00322.02
8.1.220.0070.00017.78
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0080.00018.56
8.1.160.0000.00720.68
8.1.150.0000.00818.76
8.1.140.0060.00319.54
8.1.130.0000.00717.75
8.1.120.0000.00717.45
8.1.110.0040.00417.35
8.1.100.0020.00517.36
8.1.90.0040.00417.48
8.1.80.0030.00317.48
8.1.70.0000.00717.33
8.1.60.0040.00417.47
8.1.50.0060.00317.49
8.1.40.0040.00417.48
8.1.30.0040.00417.65
8.1.20.0000.00717.50
8.1.10.0050.00317.52
8.1.00.0040.00417.34
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.50
8.0.270.0000.00717.18
8.0.260.0040.00417.10
8.0.250.0000.00716.99
8.0.240.0040.00417.04
8.0.230.0040.00416.98
8.0.220.0080.00017.02
8.0.210.0040.00416.84
8.0.200.0060.00016.89
8.0.190.0030.00616.91
8.0.180.0000.00716.89
8.0.170.0000.00717.03
8.0.160.0030.00516.86
8.0.150.0000.01016.94
8.0.140.0070.00016.80
8.0.130.0030.00313.42
8.0.120.0000.00716.83
8.0.110.0020.00517.00
8.0.100.0040.00416.73
8.0.90.0000.00817.02
8.0.80.0100.00616.91
8.0.70.0040.00416.95
8.0.60.0070.00016.95
8.0.50.0000.00817.00
8.0.30.0110.00717.04
8.0.20.0080.01017.40
8.0.10.0040.00416.91
8.0.00.0080.01116.73
7.4.330.0000.00516.82
7.4.320.0060.00016.43
7.4.300.0000.00616.51
7.4.290.0030.00316.46
7.4.280.0030.00616.48
7.4.270.0000.00616.52
7.4.260.0070.00016.41
7.4.250.0070.00016.57
7.4.240.0040.00416.54
7.4.230.0030.00316.71
7.4.220.0070.01116.59
7.4.210.0000.01716.46
7.4.200.0000.00716.66
7.4.160.0130.00616.43
7.4.150.0090.00817.40
7.4.140.0090.00917.86
7.4.130.0070.01116.58
7.4.120.0080.01116.49
7.4.110.0030.01416.62
7.4.100.0090.00916.51
7.4.90.0030.01416.57
7.4.80.0160.00319.39
7.4.70.0080.00816.58
7.4.60.0120.00516.61
7.4.50.0060.00916.32
7.4.40.0110.01116.32
7.4.30.0040.01416.46
7.4.10.0100.00615.05
7.4.00.0070.01114.91
7.3.330.0000.00513.11
7.3.320.0050.00012.98
7.3.310.0000.00916.22
7.3.300.0060.00016.18
7.3.290.0050.00816.23
7.3.280.0090.01216.29
7.3.270.0040.01317.40
7.3.260.0040.01416.57
7.3.240.0100.00816.26
7.3.230.0070.01016.39
7.3.210.0120.00416.36
7.3.200.0090.00616.23
7.3.190.0100.00716.39
7.3.180.0090.00616.29
7.3.170.0120.00616.42
7.3.160.0150.00616.45
7.3.130.0060.00614.96
7.3.120.0080.01014.76
7.3.110.0080.00814.75
7.3.100.0110.00414.60
7.3.90.0080.00714.91
7.3.80.0060.00814.75
7.3.70.0080.00314.67
7.3.60.0040.01014.65
7.3.50.0040.00814.85
7.3.40.0040.00914.79
7.3.30.0090.00414.68
7.3.20.0050.00816.74
7.3.10.0070.00816.56
7.3.00.0020.01116.38
7.2.330.0150.00416.50
7.2.320.0110.01116.17
7.2.310.0160.00316.53
7.2.300.0070.01616.50
7.2.290.0070.01516.60
7.2.260.0040.01515.00
7.2.250.0070.01214.90
7.2.240.0110.00614.77
7.2.230.0080.00714.89
7.2.220.0070.00914.73
7.2.210.0070.00714.88
7.2.200.0090.00114.89
7.2.190.0060.00914.96
7.2.180.0030.00914.91
7.2.170.0100.00614.92
7.2.160.0060.00314.65
7.2.150.0030.00916.61
7.2.140.0060.00916.57
7.2.130.0040.01116.82
7.2.120.0030.00716.77
7.2.110.0040.01216.77
7.2.100.0060.00916.82
7.2.90.0000.01416.74
7.2.80.0030.00916.77
7.2.70.0060.00616.34
7.2.60.0170.01216.52
7.2.50.0070.00716.87
7.2.40.0060.00816.86
7.2.30.0100.00616.89
7.2.20.0000.01316.83
7.2.10.0060.00616.81
7.2.00.0060.00618.15
7.1.330.0020.01115.76
7.1.320.0020.01015.77
7.1.310.0060.00415.99
7.1.300.0030.00915.56
7.1.290.0050.00815.96
7.1.280.0110.00615.80
7.1.270.0050.00515.88
7.1.260.0090.00415.75
7.1.250.0090.00015.81
7.1.240.0000.01315.79
7.1.230.0090.00615.80
7.1.220.0060.01215.77
7.1.210.0090.00615.79
7.1.200.0100.00315.83
7.1.190.0060.00615.77
7.1.180.0040.00415.74
7.1.170.0040.00815.49
7.1.160.0060.00615.64
7.1.150.0030.01015.93
7.1.140.0000.01115.86
7.1.130.0030.01015.43
7.1.120.0000.01515.87
7.1.110.0100.00315.91
7.1.100.0030.00916.76
7.1.90.0090.00615.72
7.1.80.0040.01115.93
7.1.70.0030.00716.47
7.1.60.0060.00917.48
7.1.50.0050.01116.27
7.1.40.0050.00315.85
7.1.30.0060.00915.82
7.1.20.0040.00815.88
7.1.10.0030.00615.64
7.1.00.0070.04018.95
7.0.330.0030.00915.42
7.0.320.0000.01215.29
7.0.310.0060.00615.41
7.0.300.0070.00715.32
7.0.290.0040.00815.36
7.0.280.0030.01015.27
7.0.270.0090.00615.50
7.0.260.0090.00615.28
7.0.250.0000.00915.43
7.0.240.0060.00615.46
7.0.230.0070.00715.54
7.0.220.0040.01115.19
7.0.210.0030.00515.40
7.0.200.0030.00716.10
7.0.190.0040.00715.36
7.0.180.0030.01015.49
7.0.170.0090.00015.30
7.0.160.0080.00415.49
7.0.150.0040.00815.43
7.0.140.0070.00315.41
7.0.130.0070.00715.36
7.0.120.0060.00615.40
7.0.110.0030.01015.32
7.0.100.0080.02317.77
7.0.90.0080.04017.54
7.0.80.0080.02117.61
7.0.70.0140.04017.56
7.0.60.0050.04417.71
7.0.50.0040.04317.68
7.0.40.0090.04216.78
7.0.30.0090.02916.73
7.0.20.0120.03316.78
7.0.10.0100.04216.71
7.0.00.0030.04716.73
5.6.400.0060.00913.98
5.6.390.0070.00714.12
5.6.380.0120.00414.34
5.6.370.0070.00713.95
5.6.360.0030.01214.43
5.6.350.0060.00914.12
5.6.340.0030.01014.17
5.6.330.0060.00314.13
5.6.320.0030.01014.24
5.6.310.0050.00514.12
5.6.300.0030.01014.09
5.6.290.0030.01014.23
5.6.280.0050.02017.64
5.6.270.0120.00414.15
5.6.260.0000.01514.11
5.6.250.0100.04017.52
5.6.240.0120.03917.33
5.6.230.0060.04117.44
5.6.220.0100.04117.32
5.6.210.0050.04017.21
5.6.200.0060.04717.71
5.6.190.0080.02617.46
5.6.180.0070.03417.56
5.6.170.0080.04517.42
5.6.160.0080.03417.53
5.6.150.0120.03917.59
5.6.140.0100.04417.61
5.6.130.0080.04117.69
5.6.120.0060.04317.57
5.6.110.0130.04317.71
5.6.100.0070.04717.53
5.6.90.0070.03517.56
5.6.80.0120.02517.30
5.6.70.0050.03617.06
5.6.60.0080.04317.25
5.6.50.0130.03817.19
5.6.40.0090.04217.31
5.6.30.0050.04417.17
5.6.20.0050.04817.14
5.6.10.0100.03817.13
5.6.00.0050.04317.20
5.5.380.0050.02817.09
5.5.370.0080.04017.12
5.5.360.0060.03617.30
5.5.350.0050.02817.34
5.5.340.0080.04317.30
5.5.330.0050.03617.41
5.5.320.0110.04017.57
5.5.310.0140.04117.30
5.5.300.0090.04117.52
5.5.290.0080.04517.44
5.5.280.0070.04217.44
5.5.270.0030.04517.38
5.5.260.0020.03417.34
5.5.250.0080.04117.39
5.5.240.0140.03717.16
5.5.230.0080.03417.10
5.5.220.0030.02817.18
5.5.210.0080.04217.27
5.5.200.0040.04217.02
5.5.190.0100.04017.17
5.5.180.0090.04317.09
5.5.170.0000.01414.07
5.5.160.0050.04517.01
5.5.150.0060.03117.06
5.5.140.0050.04516.90
5.5.130.0070.03817.12
5.5.120.0050.04317.00
5.5.110.0050.04717.05
5.5.100.0110.02517.12
5.5.90.0050.04316.81
5.5.80.0100.04017.05
5.5.70.0100.02217.00
5.5.60.0100.03817.00
5.5.50.0100.02317.09
5.5.40.0030.02716.98
5.5.30.0080.03516.83
5.5.20.0150.03316.91
5.5.10.0130.03516.96
5.5.00.0030.02516.87

preferences:
51.09 ms | 401 KiB | 5 Q