3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['' => 1]; var_dump($a[''] ?? 3); var_dump($a[''] ?: 2);

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)
8.3.60.0060.01218.39
8.3.50.0110.00418.17
8.3.40.0040.01118.66
8.3.30.0070.00718.59
8.3.20.0040.00419.04
8.3.10.0060.00321.82
8.3.00.0070.00020.61
8.2.180.0120.00318.52
8.2.170.0040.01522.96
8.2.160.0070.00720.39
8.2.150.0070.00024.18
8.2.140.0030.00624.66
8.2.130.0060.00317.91
8.2.120.0080.00026.35
8.2.110.0060.00320.31
8.2.100.0080.00417.84
8.2.90.0000.00917.75
8.2.80.0030.00517.97
8.2.70.0040.00417.91
8.2.60.0040.00418.16
8.2.50.0030.00618.10
8.2.40.0040.00419.38
8.2.30.0070.00019.24
8.2.20.0000.01118.09
8.2.10.0020.00517.96
8.2.00.0090.00017.52
8.1.280.0110.00425.92
8.1.270.0090.00020.61
8.1.260.0030.00726.35
8.1.250.0000.00828.09
8.1.240.0090.00022.19
8.1.230.0080.00322.13
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0040.00418.92
8.1.150.0000.00718.92
8.1.140.0070.00022.13
8.1.130.0030.00321.96
8.1.120.0030.00317.44
8.1.110.0070.00017.45
8.1.100.0000.00717.41
8.1.90.0000.00717.49
8.1.80.0040.00417.46
8.1.70.0070.00317.38
8.1.60.0000.00817.48
8.1.50.0000.00817.52
8.1.40.0000.00817.52
8.1.30.0040.00417.65
8.1.20.0030.00617.47
8.1.10.0040.00417.37
8.1.00.0050.00217.39
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0040.00418.43
8.0.270.0030.00317.24
8.0.260.0000.00718.31
8.0.250.0060.00016.89
8.0.240.0040.00417.01
8.0.230.0030.00316.87
8.0.220.0060.00016.92
8.0.210.0030.00316.87
8.0.200.0000.00616.86
8.0.190.0050.00316.99
8.0.180.0030.00516.90
8.0.170.0000.00916.89
8.0.160.0040.00416.98
8.0.150.0050.00216.77
8.0.140.0040.00416.88
8.0.130.0000.00513.32
8.0.120.0000.00716.82
8.0.110.0040.00416.94
8.0.100.0040.00416.77
8.0.90.0000.00716.78
8.0.80.0060.01016.82
8.0.70.0000.00716.91
8.0.60.0040.00416.67
8.0.50.0040.00416.76
8.0.30.0100.00816.84
8.0.20.0090.00917.40
8.0.10.0040.00417.11
8.0.00.0090.01116.88
7.4.330.0020.00215.55
7.4.320.0000.00616.51
7.4.300.0030.00316.47
7.4.290.0000.00616.48
7.4.280.0060.00316.54
7.4.270.0000.00816.61
7.4.260.0030.00516.52
7.4.250.0070.00016.56
7.4.240.0080.00016.51
7.4.230.0000.00716.51
7.4.220.0080.00016.49
7.4.210.0090.00916.55
7.4.200.0030.00316.61
7.4.160.0080.00816.47
7.4.140.0120.00817.86
7.4.130.0100.00716.47
7.4.120.0100.00716.46
7.4.110.0170.00316.30
7.4.100.0030.01316.58
7.4.90.0070.01016.40
7.4.80.0110.00619.39
7.4.70.0070.01116.46
7.4.60.0090.01216.58
7.4.50.0100.00516.64
7.4.40.0100.00716.51
7.4.10.0030.01214.88
7.4.00.0060.01014.41
7.3.330.0030.00313.16
7.3.320.0000.00513.03
7.3.310.0060.00316.28
7.3.300.0000.00716.10
7.3.290.0070.00016.10
7.3.280.0080.01116.22
7.3.260.0080.01016.31
7.3.240.0100.01016.39
7.3.230.0100.00616.50
7.3.210.0030.01316.49
7.3.200.0060.01016.28
7.3.190.0110.00716.23
7.3.180.0070.00716.14
7.3.170.0040.01516.25
7.3.160.0110.00616.44
7.3.130.0100.00614.64
7.3.120.0080.01214.68
7.3.110.0090.00914.72
7.3.100.0090.00614.91
7.3.90.0070.00714.72
7.3.80.0070.00314.87
7.3.70.0070.00714.59
7.3.60.0100.00314.65
7.3.50.0100.00614.87
7.3.40.0030.01214.71
7.3.30.0030.01014.73
7.3.20.0000.01516.54
7.3.10.0100.00316.53
7.3.00.0040.00416.38
7.2.330.0060.01216.57
7.2.320.0060.01216.59
7.2.310.0120.00616.31
7.2.300.0080.00816.21
7.2.290.0060.01216.64
7.2.260.0040.01814.66
7.2.250.0100.00715.02
7.2.240.0090.00614.59
7.2.230.0040.01414.45
7.2.220.0070.00714.48
7.2.210.0040.00414.57
7.2.200.0070.01014.82
7.2.190.0060.01214.55
7.2.180.0090.00914.62
7.2.170.0040.01114.82
7.2.160.0090.00614.80
7.2.150.0140.00316.47
7.2.140.0030.01016.55
7.2.130.0120.00316.53
7.2.120.0060.01016.89
7.2.110.0070.00716.77
7.2.100.0040.00816.56
7.2.90.0060.00916.52
7.2.80.0070.00716.57
7.2.70.0060.00616.77
7.2.60.0070.00316.60
7.2.50.0030.00716.46
7.2.40.0120.00616.57
7.2.30.0030.00916.93
7.2.20.0070.00716.57
7.2.10.0090.00016.55
7.2.00.0080.00416.85
7.1.330.0060.00915.66
7.1.320.0030.00915.33
7.1.310.0030.01015.79
7.1.300.0040.01115.68
7.1.290.0030.01315.79
7.1.280.0030.01015.91
7.1.270.0030.00615.81
7.1.260.0110.00315.77
7.1.250.0130.00315.56
7.1.240.0030.01015.65
7.1.230.0000.01315.83
7.1.220.0060.00315.68
7.1.210.0030.01015.64
7.1.200.0100.00315.49
7.1.190.0070.00715.79
7.1.180.0000.01315.54
7.1.170.0090.00615.66
7.1.160.0040.00415.68
7.1.150.0000.01215.79
7.1.140.0070.00415.84
7.1.130.0040.00415.82
7.1.120.0000.01115.73
7.1.110.0080.00615.71
7.1.100.0000.01015.73
7.1.90.0090.00615.84
7.1.80.0040.01115.80
7.1.70.0040.01215.75
7.1.60.0040.00415.68
7.1.50.0060.00615.45
7.1.40.0040.00715.59
7.1.30.0040.00415.57
7.1.20.0140.00015.70
7.1.10.0040.01115.66
7.1.00.0080.00415.36
7.0.330.0070.00715.41
7.0.320.0060.00915.43
7.0.310.0060.00615.47
7.0.300.0070.00715.26
7.0.290.0030.00615.22
7.0.280.0040.00415.26
7.0.270.0040.00815.26
7.0.260.0030.01315.45
7.0.250.0060.00315.24
7.0.240.0060.00315.47
7.0.230.0070.00715.19
7.0.220.0000.01315.35
7.0.210.0110.00315.56
7.0.200.0030.00515.39
7.0.190.0000.00915.34
7.0.180.0030.01015.23
7.0.170.0080.00315.48
7.0.160.0040.00815.34
7.0.150.0070.00715.31
7.0.140.0060.00315.36
7.0.130.0070.00315.36
7.0.120.0110.00415.57
7.0.110.0070.00715.17
7.0.100.0060.00615.08
7.0.90.0000.01115.16
7.0.80.0050.00515.25
7.0.70.0040.00715.48
7.0.60.0040.00815.16
7.0.50.0050.00315.41
7.0.40.0100.00313.41
7.0.30.0030.00913.18
7.0.20.0090.00313.54
7.0.10.0080.00013.43
7.0.00.0070.00413.51
5.6.400.0060.00714.06
5.6.390.0060.00914.31
5.6.380.0070.01014.02
5.6.370.0030.00914.26
5.6.360.0100.00714.37
5.6.350.0030.01014.02
5.6.340.0070.00714.19
5.6.330.0050.00314.27
5.6.320.0040.00414.18
5.6.310.0030.01014.15
5.6.300.0000.00813.92
5.6.290.0040.00414.24
5.6.280.0070.00713.98
5.6.270.0040.00714.25
5.6.260.0060.00614.41
5.6.250.0070.00714.18
5.6.240.0060.00313.90
5.6.230.0000.01413.96
5.6.220.0090.00313.93
5.6.210.0100.00314.12
5.6.200.0040.00814.05
5.6.190.0040.00714.06
5.6.180.0000.01014.16
5.6.170.0050.00514.02
5.6.160.0030.01013.95
5.6.150.0060.00614.31
5.6.140.0090.00614.19
5.6.130.0090.00014.19
5.6.120.0030.01014.02
5.6.110.0080.00014.05
5.6.100.0000.00914.03
5.6.90.0000.01013.68
5.6.80.0070.00713.96
5.6.70.0040.01113.93
5.6.60.0070.00713.79
5.6.50.0040.00813.92
5.6.40.0000.01414.28
5.6.30.0040.00414.21
5.6.20.0130.00014.07
5.6.10.0060.00814.12
5.6.00.0040.01113.98

preferences:
60.52 ms | 401 KiB | 5 Q