3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nonexistent= []; $value = $nonexistent ?? 'default'; var_dump($value);

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)
8.3.40.0040.01118.67
8.3.30.0110.00418.39
8.3.20.0150.00420.04
8.3.10.0050.00221.77
8.3.00.0050.00319.66
8.2.170.0090.00922.96
8.2.160.0130.00620.27
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0060.00321.18
8.2.110.0070.01120.38
8.2.100.0040.00717.66
8.2.90.0000.00719.09
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0080.00020.95
8.2.30.0050.00319.72
8.2.20.0040.00417.48
8.2.10.0030.00517.96
8.2.00.0040.00417.96
8.1.270.0080.00022.06
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0090.00322.14
8.1.230.0040.00723.85
8.1.220.0040.00417.79
8.1.210.0030.00518.77
8.1.200.0040.00717.23
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0040.00418.61
8.1.160.0000.00821.81
8.1.150.0030.00318.77
8.1.140.0040.00417.41
8.1.130.0030.00317.63
8.1.120.0070.00017.38
8.1.110.0040.00417.25
8.1.100.0040.00417.36
8.1.90.0000.00717.23
8.1.80.0000.00717.37
8.1.70.0080.00017.27
8.1.60.0050.00317.39
8.1.50.0000.00817.40
8.1.40.0000.00817.34
8.1.30.0000.00917.59
8.1.20.0000.00717.64
8.1.10.0040.00417.41
8.1.00.0030.00517.34
8.0.300.0090.00018.77
8.0.290.0000.00816.75
8.0.280.0030.00318.28
8.0.270.0030.00317.21
8.0.260.0000.00717.16
8.0.250.0040.00416.93
8.0.240.0030.00516.86
8.0.230.0000.00716.81
8.0.220.0070.00016.69
8.0.210.0040.00416.85
8.0.200.0030.00316.88
8.0.190.0040.00416.73
8.0.180.0030.00316.85
8.0.170.0030.00516.74
8.0.160.0050.00316.73
8.0.150.0030.00316.68
8.0.140.0030.00516.66
8.0.130.0000.00613.25
8.0.120.0040.00416.66
8.0.110.0000.00716.68
8.0.100.0050.00216.84
8.0.90.0000.00716.78
8.0.80.0130.00616.77
8.0.70.0030.00316.85
8.0.60.0080.00016.79
8.0.50.0040.00416.92
8.0.30.0060.01817.14
8.0.20.0120.00617.40
8.0.10.0040.00416.92
8.0.00.0080.00916.73
7.4.330.0050.00015.08
7.4.320.0000.00616.45
7.4.300.0000.00616.47
7.4.290.0070.00016.58
7.4.280.0000.00716.43
7.4.270.0030.00316.53
7.4.260.0070.00016.30
7.4.250.0040.00416.50
7.4.240.0030.00316.54
7.4.230.0000.00716.44
7.4.220.0120.00616.50
7.4.210.0090.00916.42
7.4.200.0030.00316.28
7.4.160.0150.00016.49
7.4.150.0080.00917.40
7.4.140.0090.01217.86
7.4.130.0070.01016.36
7.4.120.0070.01016.43
7.4.110.0060.01216.28
7.4.100.0140.00916.43
7.4.90.0100.00716.13
7.4.80.0000.02019.39
7.4.70.0100.00616.44
7.4.60.0130.00416.52
7.4.50.0000.00616.31
7.4.40.0070.01116.41
7.4.30.0120.00616.48
7.4.10.0060.01015.32
7.4.00.0060.00815.01
7.3.330.0050.00013.03
7.3.320.0000.00613.11
7.3.310.0070.00016.20
7.3.300.0030.00316.19
7.3.290.0060.01316.18
7.3.280.0090.01016.24
7.3.270.0180.00617.40
7.3.260.0130.00416.13
7.3.250.0080.01116.36
7.3.240.0110.00916.43
7.3.230.0090.01216.39
7.3.210.0030.01716.21
7.3.200.0090.00916.34
7.3.190.0160.00616.29
7.3.180.0170.00316.54
7.3.170.0030.01316.27
7.3.160.0140.00016.40
7.3.130.0090.00915.32
7.3.120.0170.00015.32
7.3.110.0030.01215.32
7.3.100.0050.00815.32
7.3.90.0060.00615.32
7.3.80.0040.00415.32
7.3.70.0030.00615.32
7.3.60.0030.00715.32
7.3.50.0070.00715.32
7.3.40.0060.00615.32
7.3.30.0110.00415.32
7.3.20.0060.00916.65
7.3.10.0110.00316.63
7.3.00.0060.00716.56
7.2.330.0070.01016.22
7.2.320.0090.01316.63
7.2.310.0090.00616.54
7.2.300.0170.00616.51
7.2.290.0020.02016.51
7.2.260.0150.00415.32
7.2.250.0030.01215.32
7.2.240.0070.00715.32
7.2.230.0120.00315.32
7.2.220.0090.00615.32
7.2.210.0060.00315.32
7.2.200.0040.01115.32
7.2.190.0000.01415.32
7.2.180.0060.01215.32
7.2.170.0080.00815.32
7.2.160.0060.00615.32
7.2.150.0090.00616.52
7.2.140.0060.00316.73
7.2.130.0020.01116.84
7.2.120.0080.00516.71
7.2.110.0070.00416.63
7.2.100.0070.00816.71
7.2.90.0030.01216.84
7.2.80.0040.00916.66
7.2.70.0050.00816.92
7.2.60.0060.00816.65
7.2.50.0050.01216.52
7.2.40.0020.01516.61
7.2.30.0080.00716.82
7.2.20.0070.00716.67
7.2.10.0070.00516.64
7.2.00.0050.01017.47
7.1.330.0070.00715.94
7.1.320.0060.01215.65
7.1.310.0080.00315.75
7.1.300.0070.00815.68
7.1.290.0030.01015.89
7.1.280.0040.00415.54
7.1.270.0040.00715.54
7.1.260.0070.00715.79
7.1.250.0000.01115.65
7.1.240.0100.00015.79
7.1.230.0070.00715.70
7.1.220.0030.01415.89
7.1.210.0060.00615.87
7.1.200.0070.00315.53
7.1.190.0110.00715.55
7.1.180.0030.01015.71
7.1.170.0030.01315.78
7.1.160.0060.00615.77
7.1.150.0130.00015.51
7.1.140.0030.01315.80
7.1.130.0040.00715.67
7.1.120.0040.00415.70
7.1.110.0070.00715.93
7.1.100.0090.00416.91
7.1.90.0060.00615.66
7.1.80.0100.00315.73
7.1.70.0070.00516.34
7.1.60.0070.01017.93
7.1.50.0070.00716.31
7.1.40.0030.00915.93
7.1.30.0030.01015.53
7.1.20.0060.01015.78
7.1.10.0060.00315.48
7.1.00.0050.04119.12
7.0.330.0060.00615.32
7.0.320.0070.01015.32
7.0.310.0000.00915.32
7.0.300.0030.01315.41
7.0.290.0050.00315.32
7.0.280.0060.01015.32
7.0.270.0090.00315.32
7.0.260.0040.01115.43
7.0.250.0000.01415.33
7.0.240.0090.00015.32
7.0.230.0090.00615.45
7.0.220.0040.00915.35
7.0.210.0000.01015.32
7.0.200.0190.00714.90
7.0.190.0000.01415.38
7.0.180.0030.00815.39
7.0.170.0040.00415.49
7.0.160.0000.00815.32
7.0.150.0060.00315.32
7.0.140.0060.00615.38
7.0.130.0050.00515.45
7.0.120.0040.01115.32
7.0.110.0000.01515.32
7.0.100.0080.00415.43
7.0.90.0030.01015.32
7.0.80.0000.01515.45
7.0.70.0070.00415.32
7.0.60.0050.03717.58
7.0.50.0050.04416.49
7.0.40.0050.02517.78
7.0.30.0330.03117.66
7.0.20.0140.03717.74
7.0.10.0020.03117.72
7.0.00.0110.03817.82
5.6.400.0070.01015.32
5.6.390.0000.01115.32
5.6.380.0040.01115.32
5.6.370.0050.00515.32
5.6.360.0070.01015.32
5.6.350.0060.00615.32
5.6.340.0000.01415.32
5.6.330.0040.01115.32
5.6.320.0030.01015.32
5.6.310.0000.00915.32
5.6.300.0060.00615.32
5.6.290.0070.00715.32
5.6.280.0000.04618.11
5.6.270.0030.00915.32
5.6.260.0060.00615.32
5.6.250.0030.00715.32
5.6.240.0040.00415.32
5.6.230.0040.00815.32
5.6.220.0060.00615.32
5.6.210.0100.04017.98
5.6.200.0030.04016.79
5.6.190.0030.05117.91
5.6.180.0120.04817.86
5.6.170.0150.02617.93
5.6.160.0030.03417.91
5.6.150.0050.02516.74
5.6.140.0070.02216.75
5.6.130.0070.04416.75
5.6.120.0060.02418.12
5.6.110.0070.04318.15
5.6.100.0080.03318.14
5.6.90.0060.03318.17
5.6.80.0050.03817.85
5.6.70.0100.00315.32
5.6.60.0040.00715.32
5.6.50.0030.01015.32
5.6.40.0060.00915.32
5.6.30.0070.00715.32
5.6.20.0000.01615.32
5.6.10.0120.00315.32
5.6.00.0040.01115.32
5.5.380.0070.00315.32
5.5.370.0060.00615.32
5.5.360.0000.01215.32
5.5.350.0040.02317.82
5.5.340.0100.04016.64
5.5.330.0140.03917.85
5.5.320.0060.03717.87
5.5.310.0170.04017.89
5.5.300.0090.03016.65
5.5.290.0090.02016.63
5.5.280.0110.03818.11
5.5.270.0050.02518.13
5.5.260.0050.05018.05
5.5.250.0090.04118.00
5.5.240.0040.02017.68
5.5.230.0000.00915.32
5.5.220.0100.00315.32
5.5.210.0000.00815.32
5.5.200.0030.00715.32
5.5.190.0040.00815.32
5.5.180.0070.00715.32
5.5.170.0030.00615.32
5.5.160.0030.01015.32
5.5.150.0000.01315.32
5.5.140.0070.01015.32
5.5.130.0080.00615.32
5.5.120.0030.01315.32
5.5.110.0040.01115.32
5.5.100.0030.00815.32
5.5.90.0040.00815.32
5.5.80.0060.00315.32
5.5.70.0060.00915.32
5.5.60.0110.00415.32
5.5.50.0030.00715.32
5.5.40.0040.00815.32
5.5.30.0030.01015.32
5.5.20.0000.01515.32
5.5.10.0090.00615.32
5.5.00.0040.00415.32
5.4.450.0210.03517.48
5.4.440.0230.03117.44
5.4.430.0230.03217.46
5.4.420.0230.03317.46
5.4.410.0230.02617.26
5.4.400.0250.02817.10
5.4.390.0250.03417.35
5.4.380.0320.03017.29
5.4.370.0410.02217.08
5.4.360.0280.02717.29
5.4.350.0310.02317.30
5.4.340.0290.03117.29
5.4.330.0000.00815.32
5.4.320.0250.02717.08
5.4.310.0250.02717.22
5.4.300.0250.03017.15
5.4.290.0250.02817.30
5.4.280.0270.02717.16
5.4.270.0280.02517.23
5.4.260.0230.03617.08
5.4.250.0270.02717.29
5.4.240.0280.02517.29
5.4.230.0280.03317.29
5.4.220.0390.03217.22
5.4.210.0350.02417.30
5.4.200.0330.02517.23
5.4.190.0240.02917.28
5.4.180.0300.02817.22
5.4.170.0270.03017.08
5.4.160.0320.02517.26
5.4.150.0270.03117.07
5.4.140.0280.02315.81
5.4.130.0300.02615.92
5.4.120.0300.02615.86
5.4.110.0250.02715.92
5.4.100.0250.03015.93
5.4.90.0350.02315.89
5.4.80.0320.02515.80
5.4.70.0040.02315.93
5.4.60.0030.04215.87
5.4.50.0070.02015.87
5.4.40.0190.03515.93
5.4.30.0170.03815.77
5.4.20.0100.02215.87
5.4.10.0030.00315.32
5.4.00.0040.00415.32

preferences:
52.45 ms | 400 KiB | 5 Q