3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '------------ Teste ------------' . PHP_EOL; $variavel = 'teste'; var_dump(isset($variavel), is_null($variavel)); echo '------------ NULL ------------' . PHP_EOL; $variavel = null; var_dump(isset($variavel), is_null($variavel)); echo '------------ Unset ------------' . PHP_EOL; unset($variavel); var_dump(isset($variavel), is_null($variavel));

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)
8.4.120.0100.01024.22
8.4.110.0120.00822.45
8.4.100.0090.00917.69
8.4.90.0090.00820.52
8.4.80.0060.00218.88
8.4.70.0090.00618.93
8.4.60.0070.00320.59
8.4.50.0090.01120.68
8.4.40.0030.01619.49
8.4.30.0100.01020.38
8.4.20.0100.01020.50
8.4.10.0090.00017.91
8.3.250.0100.00818.95
8.3.240.0100.00917.13
8.3.230.0110.00816.39
8.3.220.0110.00818.73
8.3.210.0120.00716.56
8.3.200.0060.00316.78
8.3.190.0100.01117.00
8.3.180.0110.00719.00
8.3.170.0120.00617.11
8.3.160.0160.00316.58
8.3.150.0160.00316.58
8.3.140.0070.00016.57
8.3.130.0100.00016.37
8.3.120.0030.01218.77
8.3.110.0130.00620.94
8.3.100.0070.00416.46
8.3.90.0000.00826.77
8.3.80.0060.00316.70
8.3.70.0150.00016.58
8.3.60.0130.00316.32
8.3.50.0040.01119.92
8.3.40.0090.00618.98
8.3.30.0140.00018.76
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.290.0090.00820.37
8.2.280.0090.00918.54
8.2.270.0150.00416.79
8.2.260.0180.00016.82
8.2.250.0000.00818.32
8.2.240.0060.00318.73
8.2.230.0100.01022.58
8.2.220.0080.00024.06
8.2.210.0080.00026.77
8.2.200.0030.00616.62
8.2.190.0070.01416.58
8.2.180.0060.01225.92
8.2.170.0100.00318.91
8.2.160.0100.00722.96
8.2.150.0040.00425.66
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0050.00319.95
8.2.110.0090.00022.20
8.2.100.0080.00419.76
8.2.90.0050.00317.75
8.2.80.0030.00518.68
8.2.70.0060.00317.63
8.2.60.0060.00317.92
8.2.50.0040.00418.07
8.2.40.0000.00818.22
8.2.30.0040.00418.06
8.2.20.0030.00617.93
8.2.10.0060.00319.06
8.2.00.0000.00719.10
8.1.330.0120.00621.61
8.1.320.0120.00618.00
8.1.310.0000.00816.48
8.1.300.0070.01316.32
8.1.290.0090.00030.84
8.1.280.0000.01625.92
8.1.270.0050.00324.04
8.1.260.0060.00326.35
8.1.250.0050.00328.09
8.1.240.0030.00620.38
8.1.230.0070.00417.77
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0000.00718.10
8.1.170.0000.00918.38
8.1.160.0060.00318.73
8.1.150.0040.00418.56
8.1.140.0060.00318.77
8.1.130.0050.00320.17
8.1.120.0000.00717.29
8.1.110.0070.00017.37
8.1.100.0080.00017.44
8.1.90.0020.00517.38
8.1.80.0000.00717.31
8.1.70.0000.00817.39
8.1.60.0080.00017.59
8.1.50.0040.00417.36
8.1.40.0080.00017.30
8.1.30.0040.00417.45
8.1.20.0060.00317.44
8.1.10.0050.00317.51
8.1.00.0050.00317.34
8.0.300.0000.00818.77
8.0.290.0000.00816.63
8.0.280.0000.00718.45
8.0.270.0000.00818.01
8.0.260.0000.00818.62
8.0.250.0040.00416.94
8.0.240.0040.00416.91
8.0.230.0000.00816.88
8.0.220.0040.00416.91
8.0.210.0030.00316.91
8.0.200.0000.00616.82
8.0.190.0040.00416.87
8.0.180.0040.00416.96
8.0.170.0000.00816.94
8.0.160.0000.00816.81
8.0.150.0040.00416.84
8.0.140.0050.00216.89
8.0.130.0030.00313.30
8.0.120.0040.00416.84
8.0.110.0040.00416.86
8.0.100.0060.00316.89
8.0.90.0050.00316.79
8.0.80.0000.00716.71
8.0.70.0040.00416.85
8.0.60.0020.00516.91
8.0.50.0070.00016.79
8.0.30.0030.00316.78
8.0.20.0050.00217.06
8.0.10.0040.00417.05
8.0.00.0000.00716.93
7.4.330.0040.00015.55
7.4.320.0000.00716.47
7.4.300.0070.00216.42
7.4.290.0000.00716.38
7.4.280.0050.00316.35
7.4.270.0000.00716.45
7.4.260.0030.00313.08
7.4.250.0030.00316.41
7.4.240.0000.00716.59
7.4.230.0030.00516.65
7.4.220.0030.00316.43
7.4.210.0070.00016.32
7.4.200.0000.00716.43
7.4.190.0050.00316.63
7.4.180.0070.00016.49
7.4.160.0030.00316.62
7.4.150.0070.00016.34
7.4.140.0000.00716.43
7.4.130.0070.00016.44
7.4.120.0070.00016.24
7.4.110.0000.00716.49
7.4.100.0040.00416.48
7.4.90.0050.00216.48
7.4.80.0040.00416.58
7.4.70.0000.00716.22
7.4.60.0030.00316.58
7.4.50.0040.00416.22
7.4.40.0000.00716.41
7.4.30.0070.00016.30
7.4.20.0040.00416.28
7.4.10.0040.00416.45
7.4.00.0000.00616.43
7.3.330.0080.00016.04
7.3.320.0050.00013.05
7.3.310.0020.00516.15
7.3.300.0000.00716.22
7.3.290.0070.00016.22
7.3.280.0070.00016.21
7.3.270.0050.00216.18
7.3.260.0030.00316.18
7.3.250.0030.00316.15
7.3.240.0040.00416.16
7.3.230.0000.00616.20
7.3.220.0000.00616.08
7.3.210.0060.00016.08
7.3.200.0040.00416.12
7.3.190.0030.00316.13
7.3.180.0030.00316.15
7.3.170.0000.00716.17
7.3.160.0000.00715.88
7.3.150.0040.00415.99
7.3.140.0000.00715.99
7.3.130.0070.00016.16
7.3.120.0030.00316.16
7.3.110.0030.00316.06
7.3.100.0000.00716.09
7.3.90.0030.00316.44
7.3.80.0030.00316.04
7.3.70.0040.00416.09
7.3.60.0060.00016.27
7.3.50.0000.00616.17
7.3.40.0000.00716.34
7.3.30.0070.00016.21
7.3.20.0060.00318.02
7.3.10.0030.00617.85
7.3.00.0000.00717.84

preferences:
29.47 ms | 403 KiB | 5 Q