3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Pessoa { // Propriedades private $nome = 'Luiz'; // __isset é invocado quando tentamos utilizar isset ou empty em métodos protegidos ou privados public function __isset($name) { return isset($this->$name) && !empty($this->$name); } } // Pessoa $pessoa = new Pessoa(); // Utiliza isset em $pessoa->nome if ( isset( $pessoa->nome ) ) { echo 'Dado existe.'; }

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)
8.3.70.0040.01116.50
8.3.60.0040.01116.49
8.3.50.0130.00521.21
8.3.40.0100.00718.70
8.3.30.0100.01019.02
8.3.20.0040.00420.16
8.3.10.0050.00221.94
8.3.00.0040.00419.01
8.2.190.0100.00516.58
8.2.180.0110.00416.32
8.2.170.0060.00922.96
8.2.160.0130.00320.47
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0080.00019.48
8.2.110.0030.00719.45
8.2.100.0040.00817.50
8.2.90.0040.00419.03
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0040.00419.76
8.2.30.0040.00418.05
8.2.20.0040.00417.68
8.2.10.0000.00818.19
8.2.00.0080.00017.63
8.1.280.0100.00325.92
8.1.270.0040.00420.13
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.72
8.1.230.0040.00717.42
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0080.00417.25
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0080.00020.29
8.1.160.0080.00021.88
8.1.150.0040.00418.80
8.1.140.0020.00517.44
8.1.130.0030.00317.77
8.1.120.0040.00417.45
8.1.110.0040.00417.50
8.1.100.0040.00417.48
8.1.90.0040.00417.43
8.1.80.0000.00717.46
8.1.70.0030.00317.44
8.1.60.0000.00917.59
8.1.50.0000.00817.56
8.1.40.0040.00417.49
8.1.30.0080.00017.60
8.1.20.0060.00317.63
8.1.10.0050.00317.56
8.1.00.0020.00517.53
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0070.00017.26
8.0.260.0000.00717.17
8.0.250.0000.00616.82
8.0.240.0030.00316.97
8.0.230.0040.00416.88
8.0.220.0030.00316.88
8.0.210.0070.00016.93
8.0.200.0000.00616.83
8.0.190.0040.00416.88
8.0.180.0040.00416.90
8.0.170.0000.00816.90
8.0.160.0030.00316.79
8.0.150.0000.00716.86
8.0.140.0080.00016.81
8.0.130.0000.00613.40
8.0.120.0030.00516.87
8.0.110.0040.00416.91
8.0.100.0030.00516.88
8.0.90.0040.00416.92
8.0.80.0130.01016.77
8.0.70.0050.00316.98
8.0.60.0050.00216.95
8.0.50.0030.00316.75
8.0.30.0120.01217.03
8.0.20.0070.01017.40
8.0.10.0020.00516.88
8.0.00.0110.00616.78
7.4.330.0030.00315.03
7.4.320.0060.00016.59
7.4.300.0000.00716.51
7.4.290.0100.00016.57
7.4.280.0000.00816.36
7.4.270.0030.00316.64
7.4.260.0040.00216.57
7.4.250.0040.00416.47
7.4.240.0050.00216.56
7.4.230.0030.00316.60
7.4.220.0030.01316.54
7.4.210.0040.01216.57
7.4.200.0030.00316.62
7.4.160.0190.00316.50
7.4.150.0160.00317.40
7.4.140.0160.00517.86
7.4.130.0180.00516.54
7.4.120.0100.00716.41
7.4.110.0100.01616.55
7.4.100.0090.00916.55
7.4.90.0130.00316.47
7.4.80.0140.00319.39
7.4.70.0110.00616.27
7.4.60.0050.01116.42
7.4.50.0000.00816.61
7.4.40.0100.01016.23
7.4.30.0140.00316.44
7.4.00.0080.00814.73
7.3.330.0000.00513.23
7.3.320.0120.00313.27
7.3.310.0000.00716.35
7.3.300.0030.00316.19
7.3.290.0100.00616.32
7.3.280.0050.01116.33
7.3.270.0070.01117.40
7.3.260.0100.00616.32
7.3.250.0130.00816.51
7.3.240.0170.00316.25
7.3.230.0100.01316.39
7.3.210.0180.00716.57
7.3.200.0120.00819.39
7.3.190.0040.01216.39
7.3.180.0090.01216.24
7.3.170.0140.00316.33
7.3.160.0140.00316.50
7.2.330.0100.01316.45
7.2.320.0170.00716.56
7.2.310.0120.00616.70
7.2.300.0100.00716.32
7.2.290.0060.01216.34
7.2.60.0070.00716.87
7.2.00.0050.00519.14
7.1.200.0000.01115.61
7.1.100.0030.01318.07
7.1.70.0040.01116.70
7.1.60.0140.01019.50
7.1.50.0040.01716.87
7.1.00.0000.07722.44
7.0.200.1560.00714.46
7.0.140.0070.04022.00
7.0.60.0000.04319.86
7.0.50.0030.05717.88
7.0.40.0100.06720.30
7.0.30.0630.06320.07
7.0.20.0230.06020.15
7.0.10.0270.04020.30
7.0.00.0070.08720.16
5.6.280.0100.06320.83
5.6.210.0200.07020.48
5.6.200.0070.08018.29
5.6.190.0100.08720.50
5.6.180.0330.08020.36
5.6.170.0230.08020.56
5.6.160.0100.08320.47
5.6.150.0030.07318.23
5.6.140.0100.07718.18
5.6.130.0070.05018.11
5.6.120.0030.04321.06
5.6.110.0070.08321.11
5.6.100.0070.04021.02
5.6.90.0130.08720.97
5.6.80.0100.07720.37
5.6.70.0370.07320.38
5.5.350.0270.05320.47
5.5.340.0070.04717.95
5.5.330.0100.04720.21
5.5.320.0270.07320.41
5.5.310.0230.03320.26
5.5.300.0030.04017.95
5.5.290.0230.04017.98
5.5.280.0030.05020.80
5.5.270.0130.08020.95
5.5.260.0130.07720.76
5.5.250.0030.04020.50
5.5.240.0000.04720.24
5.4.450.0300.06319.70
5.4.440.0770.06019.60
5.4.430.0770.05319.16
5.4.420.0900.05319.58
5.4.410.0230.05019.08
5.4.400.0400.05718.75
5.4.390.0330.06018.77
5.4.380.0300.06318.79
5.4.370.0370.05718.78
5.4.360.0430.05018.55
5.4.350.0370.07718.79
5.4.340.0270.06018.73
5.4.320.0400.05718.77
5.4.310.0530.06018.74
5.4.300.0330.05018.63
5.4.290.0370.05718.76
5.4.280.0300.06718.52
5.4.270.0400.05018.75
5.4.260.0400.05018.52
5.4.250.0370.05718.50
5.4.240.0330.07318.72
5.4.230.0330.07318.51
5.4.220.0430.06018.49
5.4.210.0400.05318.61
5.4.200.0430.05716.59
5.4.190.0600.06018.60
5.4.180.0470.04318.76
5.4.170.0370.06018.60
5.4.160.0570.06718.56
5.4.150.0430.06318.60
5.4.140.0300.05016.18
5.4.130.0230.06016.44
5.4.120.0570.06716.28
5.4.110.0400.05016.23
5.4.100.0370.05716.43
5.4.90.0530.06016.17
5.4.80.0430.06716.20
5.4.70.0400.04316.20
5.4.60.0400.05016.19
5.4.50.0470.05016.40
5.4.40.0270.06316.23
5.4.30.0370.05016.30
5.4.20.0500.05716.22
5.4.10.0400.05316.18
5.4.00.0230.06315.78
5.3.290.0430.05314.80
5.3.280.0430.05014.65
5.3.270.0300.06014.72
5.3.260.0470.05714.59
5.3.250.0530.07014.78
5.3.240.0230.06314.60
5.3.230.0600.05714.73
5.3.220.0170.05314.62
5.3.210.0800.06314.66
5.3.200.1100.05714.59
5.3.190.0300.05014.69
5.3.180.0470.05714.55
5.3.170.0330.05014.61
5.3.160.0270.05314.76
5.3.150.0200.05314.66
5.3.140.0470.05714.65
5.3.130.0370.05014.75
5.3.120.0470.05014.55
5.3.110.0370.06014.65
5.3.100.0530.05714.20
5.3.90.0400.06014.15
5.3.80.0470.07014.09
5.3.70.0400.06314.13
5.3.60.0500.05014.20
5.3.50.0470.05014.06
5.3.40.0530.04713.93
5.3.30.0570.05713.92
5.3.20.0370.06713.69
5.3.10.0400.07013.70
5.3.00.0330.05313.68
5.2.170.0370.03711.36
5.2.160.0430.06711.18
5.2.150.0230.05711.26
5.2.140.0200.04711.35
5.2.130.0300.04311.22
5.2.120.0270.04011.31
5.2.110.0270.04311.12
5.2.100.0230.04311.22
5.2.90.0270.05311.15
5.2.80.0370.05711.11
5.2.70.0230.06711.14
5.2.60.0330.04011.06
5.2.50.0300.05011.00
5.2.40.0270.04311.10
5.2.30.0500.04711.07
5.2.20.0300.03711.14
5.2.10.0330.04310.89
5.2.00.0330.05310.81
5.1.60.0270.03710.18
5.1.50.0300.04310.06
5.1.40.0270.0479.99
5.1.30.0430.03710.38
5.1.20.0130.04310.45
5.1.10.0170.04310.25
5.1.00.0130.04310.09
5.0.50.0170.0278.68
5.0.40.0170.0308.54
5.0.30.0270.0538.41
5.0.20.0200.0338.30
5.0.10.0170.0378.29
5.0.00.0130.0508.24
4.4.90.0170.0236.02
4.4.80.0030.0375.86
4.4.70.0130.0275.98
4.4.60.0070.0235.96
4.4.50.0130.0206.01
4.4.40.0170.0375.97
4.4.30.0100.0305.88
4.4.20.0100.0335.92
4.4.10.1770.0275.98
4.4.00.0130.0375.92
4.3.110.0170.0175.81
4.3.100.0170.0235.84
4.3.90.0200.0205.80
4.3.80.0070.0375.88
4.3.70.0130.0275.86
4.3.60.0100.0305.87
4.3.50.0200.0205.78
4.3.40.2030.0305.75
4.3.30.0000.0304.59
4.3.20.0030.0274.54
4.3.10.0030.0274.53
4.3.00.0000.0237.11

preferences:
42.58 ms | 401 KiB | 5 Q