3v4l.org

run code in 300+ PHP versions simultaneously
<?php //con sttaic no va class P { public $az=9; static $a=8; function __get($var) { echo 'BBBB'; return 'no existezzz'; } function __isset($var) { echo 'AAAAA'; return false; } } $P=new P; var_dump(isset($P->az));

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)
8.3.60.0200.00018.18
8.3.50.0130.00321.14
8.3.40.0110.00318.57
8.3.30.0030.01020.29
8.3.20.0070.00020.41
8.3.10.0080.00020.92
8.3.00.0040.00422.36
8.2.180.0090.00616.32
8.2.170.0040.01122.96
8.2.160.0140.00720.52
8.2.150.0040.00424.18
8.2.140.0040.00724.66
8.2.130.0070.00026.16
8.2.120.0090.00020.72
8.2.110.0030.00619.23
8.2.100.0000.01117.78
8.2.90.0000.00719.09
8.2.80.0040.00419.25
8.2.70.0000.01217.50
8.2.60.0040.00417.88
8.2.50.0040.00418.07
8.2.40.0000.00818.21
8.2.30.0020.00519.49
8.2.20.0050.00317.47
8.2.10.0040.00417.54
8.2.00.0090.00017.50
8.1.280.0110.00425.92
8.1.270.0080.00023.99
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0070.00420.68
8.1.230.0070.00420.91
8.1.220.0040.00418.77
8.1.210.0070.00018.77
8.1.200.0000.00916.98
8.1.190.0040.00417.50
8.1.180.0000.00918.10
8.1.170.0000.00818.56
8.1.160.0030.00618.80
8.1.150.0000.00718.58
8.1.140.0000.00817.39
8.1.130.0000.00717.79
8.1.120.0030.00617.34
8.1.110.0000.00817.35
8.1.100.0050.00217.45
8.1.90.0000.00717.41
8.1.80.0000.00817.29
8.1.70.0030.00317.39
8.1.60.0000.00717.58
8.1.50.0070.00017.45
8.1.40.0040.00417.48
8.1.30.0000.00817.46
8.1.20.0000.00917.64
8.1.10.0000.00717.59
8.1.00.0040.00417.48
8.0.300.0050.00319.89
8.0.290.0000.00716.93
8.0.280.0030.00318.39
8.0.270.0040.00417.20
8.0.260.0050.00516.76
8.0.250.0030.00316.93
8.0.240.0050.00316.81
8.0.230.0000.00716.86
8.0.220.0030.00316.91
8.0.210.0040.00416.79
8.0.200.0070.00016.90
8.0.190.0000.00716.92
8.0.180.0070.00016.88
8.0.170.0000.00816.79
8.0.160.0000.00716.80
8.0.150.0030.00316.82
8.0.140.0000.00816.84
8.0.130.0060.00013.22
8.0.120.0040.00416.77
8.0.110.0020.00516.77
8.0.100.0030.00516.77
8.0.90.0040.00416.94
8.0.80.0100.00616.77
8.0.70.0070.00016.85
8.0.60.0050.00216.70
8.0.50.0040.00416.63
8.0.30.0150.00417.12
8.0.20.0060.01317.40
8.0.10.0000.00716.96
8.0.00.0100.01016.63
7.4.330.0030.00316.78
7.4.320.0030.00316.46
7.4.300.0050.00216.54
7.4.290.0070.00016.43
7.4.280.0030.00316.53
7.4.270.0030.00316.61
7.4.260.0030.00313.23
7.4.250.0000.00816.41
7.4.240.0030.00316.50
7.4.230.0050.00216.35
7.4.220.0180.00016.56
7.4.210.0070.00816.50
7.4.200.0000.00716.36
7.4.190.0030.00316.62
7.4.160.0160.00616.42
7.4.150.0130.01017.40
7.4.140.0100.00817.86
7.4.130.0120.00816.45
7.4.120.0080.00816.40
7.4.110.0160.00316.25
7.4.100.0080.01116.54
7.4.90.0150.00316.39
7.4.80.0180.00019.39
7.4.70.0130.00316.45
7.4.60.0070.01016.35
7.4.50.0000.00816.39
7.4.40.0040.01122.77
7.4.30.0060.00916.50
7.4.00.0090.00615.13
7.3.330.0030.00313.19
7.3.320.0000.00513.14
7.3.310.0050.00316.08
7.3.300.0030.00315.99
7.3.290.0090.00616.23
7.3.280.0080.00716.17
7.3.270.0040.01317.40
7.3.260.0140.00318.24
7.3.250.0120.00916.19
7.3.240.0030.01316.29
7.3.230.0000.01816.39
7.3.210.0150.00416.27
7.3.200.0080.01519.39
7.3.190.0030.01416.51
7.3.180.0120.00316.21
7.3.170.0110.00716.43
7.3.160.0100.00716.49
7.3.120.0060.00914.92
7.2.330.0070.01116.67
7.2.320.0130.01016.73
7.2.310.0120.01616.37
7.2.300.0130.00316.63
7.2.290.0030.01316.50
7.2.110.0140.00716.05
7.2.100.0070.00715.93
7.2.90.0080.00816.55
7.2.80.0210.00316.33
7.2.70.0030.01016.58
7.2.60.0110.01116.64
7.2.50.0140.01416.20
7.2.40.0170.00316.41
7.2.30.0170.00716.06
7.2.20.0100.01616.27
7.2.10.0160.01216.12
7.2.00.0160.01217.83
7.1.230.0090.00915.46
7.1.220.0070.00715.27
7.1.210.0000.01615.21
7.1.200.0100.00615.55
7.1.190.0080.00615.11
7.1.180.0080.01515.04
7.1.170.0110.00715.26
7.1.160.0120.00615.35
7.1.150.0100.00715.37
7.1.140.0210.00715.24
7.1.130.0060.01015.34
7.1.120.0110.00815.22
7.1.110.0100.00615.20
7.1.100.0070.01016.56
7.1.90.0140.00315.21
7.1.80.0130.00315.21
7.1.70.0070.00715.81
7.1.60.0190.00717.31
7.1.50.0070.01516.16
7.1.40.0210.00315.70
7.1.30.0130.00315.66
7.1.20.0090.00915.57
7.1.10.0060.01215.33
7.1.00.0090.03618.93
7.0.310.0090.00614.70
7.0.300.0120.00614.75
7.0.290.0060.01014.83
7.0.280.0160.00914.84
7.0.270.0080.00414.86
7.0.260.0100.00314.83
7.0.250.0070.00714.70
7.0.240.0180.00314.69
7.0.230.0000.01214.52
7.0.220.0110.00614.97
7.0.210.0030.01014.49
7.0.200.0090.00415.84
7.0.190.0040.00814.80
7.0.180.0090.00915.09
7.0.170.0150.00615.11
7.0.160.0140.00314.84
7.0.150.0060.00914.71
7.0.140.0080.04018.66
7.0.130.0130.00315.05
7.0.120.0140.00315.11
7.0.110.0110.00314.91
7.0.100.0100.04017.53
7.0.90.0120.03817.54
7.0.80.0100.04017.55
7.0.70.0100.02317.53
7.0.60.0240.04317.47
7.0.50.0120.02517.83
7.0.40.0080.03816.62
7.0.30.0100.03516.61
7.0.20.0080.02816.59
7.0.10.0030.03116.55
7.0.00.0100.02716.65
5.6.380.0100.00313.75
5.6.370.0150.00313.43
5.6.360.0030.01013.96
5.6.350.0060.00614.03
5.6.340.0090.01213.61
5.6.330.0060.00913.98
5.6.320.0150.00013.96
5.6.310.0080.00813.69
5.6.300.0070.01114.13
5.6.290.0140.00014.21
5.6.280.0050.03817.62
5.6.270.0070.00714.23
5.6.260.0070.00714.05
5.6.250.0080.04317.29
5.6.240.0150.02317.32
5.6.230.0060.04917.52
5.6.220.0100.03817.30
5.6.210.0100.04017.19
5.6.200.0100.04317.46
5.6.190.0030.02917.69
5.6.180.0080.02717.76
5.6.170.0110.03817.44
5.6.160.0050.03717.66
5.6.150.0080.03617.64
5.6.140.0050.02417.51
5.6.130.0090.02217.60
5.6.120.0080.02517.56
5.6.110.0030.02617.37
5.6.100.0060.02617.54
5.6.90.0030.02417.38
5.6.80.0060.03017.41
5.6.70.0020.02817.21
5.6.60.0050.02617.09
5.6.50.0070.02017.28
5.6.40.0100.01817.07
5.6.30.0070.02217.22
5.6.20.0050.02217.23
5.6.10.0050.02217.31
5.6.00.0070.02717.27
5.5.380.0090.03715.54
5.5.370.0070.04215.77
5.5.360.0090.04015.85
5.5.350.0020.03315.79
5.5.340.0070.04215.99
5.5.330.0090.04016.00
5.5.320.0060.04015.85
5.5.310.0080.04315.76
5.5.300.0030.02815.99
5.5.290.0070.02215.73
5.5.280.0020.02615.90
5.5.270.0030.02515.93
5.5.260.0030.02715.69
5.5.250.0160.02515.68
5.5.240.0050.03015.61
5.5.230.0030.02115.68
5.5.220.0030.02715.38
5.5.210.0010.02515.63
5.5.200.0050.02315.54
5.5.190.0040.02315.42
5.5.180.0020.02415.58
5.5.170.0070.00714.17
5.5.160.0080.01715.50
5.5.150.0050.02015.47
5.5.140.0050.02015.55
5.5.130.0060.02615.33
5.5.120.0070.03815.54
5.5.110.0030.03115.38
5.5.100.0060.04315.44
5.5.90.0080.04015.57
5.5.80.0060.04315.45
5.5.70.0070.04015.40
5.5.60.0050.03815.53
5.5.50.0070.04215.34
5.5.40.0090.04015.42
5.5.30.0070.02115.43
5.5.20.0090.04115.43
5.5.10.0050.04215.54
5.5.00.0070.04215.46
5.4.450.0030.02715.19
5.4.440.0070.02315.28
5.4.430.0070.02814.91
5.4.420.0080.02015.06
5.4.410.0000.02614.94
5.4.400.0030.03514.81
5.4.390.0030.02214.81
5.4.380.0030.02015.00
5.4.370.0050.01814.85
5.4.360.0000.02815.00
5.4.350.0030.01914.78
5.4.340.0020.02314.95
5.4.330.0060.00310.87
5.4.320.0040.02114.94
5.4.310.0090.01715.03
5.4.300.0000.02515.02
5.4.290.0100.01514.92
5.4.280.0070.03714.95
5.4.270.0100.03715.02
5.4.260.0060.03815.07
5.4.250.0070.03914.94
5.4.240.0090.03514.73
5.4.230.0080.04014.90
5.4.220.0100.04014.87
5.4.210.0020.04814.90
5.4.200.0000.04214.86
5.4.190.0100.03114.88
5.4.180.0080.03814.96
5.4.170.0050.03814.90
5.4.160.0100.03514.98
5.4.150.0020.04215.01
5.4.140.0070.03813.71
5.4.130.0050.03913.62
5.4.120.0060.02013.65
5.4.110.0100.03513.62
5.4.100.0050.03213.64
5.4.90.0050.03913.77
5.4.80.0070.03713.64
5.4.70.0070.03713.71
5.4.60.0020.03713.63
5.4.50.0080.03313.53
5.4.40.0110.03513.69
5.4.30.0020.03713.74
5.4.20.0070.02413.67
5.4.10.0020.04013.54
5.4.00.0100.02013.38
5.3.290.0030.02212.65
5.3.280.0120.03512.53
5.3.270.0080.03612.53
5.3.260.0000.04712.57
5.3.250.0040.04012.49
5.3.240.0080.03112.54
5.3.230.0040.02612.52
5.3.220.0050.04012.51
5.3.210.0100.02612.47
5.3.200.0110.02812.41
5.3.190.0070.03212.51
5.3.180.0030.03912.62
5.3.170.0070.03512.64
5.3.160.0070.03812.62
5.3.150.0020.03112.56
5.3.140.0050.03912.62
5.3.130.0020.04312.62
5.3.120.0050.04112.50
5.3.110.0020.03612.52
5.3.100.0030.04212.16
5.3.90.0050.02912.08
5.3.80.0100.03312.14
5.3.70.0050.03712.13
5.3.60.0020.03612.22
5.3.50.0060.03812.10
5.3.40.0060.02012.13
5.3.30.0050.03312.14
5.3.20.0070.03812.04
5.3.10.0070.01811.77
5.3.00.0040.02411.96
5.2.170.0020.02210.29
5.2.160.0060.02710.30
5.2.150.0030.03510.41
5.2.140.0020.02810.36
5.2.130.0060.02510.38
5.2.120.0030.01910.28
5.2.110.0030.03110.19
5.2.100.0040.03210.36
5.2.90.0070.02910.28
5.2.80.0100.02810.14
5.2.70.0020.02210.30
5.2.60.0020.02910.23
5.2.50.0080.02810.24
5.2.40.0000.03410.11
5.2.30.0080.02010.11
5.2.20.0060.03110.07
5.2.10.0070.02810.01
5.2.00.0050.02310.00
5.1.60.0060.0289.39
5.1.50.0080.0259.41
5.1.40.0020.0309.40
5.1.30.0090.0269.51
5.1.20.0030.0289.61
5.1.10.0060.0289.46
5.1.00.0100.0229.34
5.0.50.0020.0248.67
5.0.40.0070.0208.63
5.0.30.0070.0338.48
5.0.20.0090.0158.38
5.0.10.0050.0208.37
5.0.00.0030.0338.46
4.4.90.0020.0208.26
4.4.80.0030.0168.26
4.4.70.0050.0188.26
4.4.60.0020.0198.26
4.4.50.0060.0158.26
4.4.40.0010.0288.26
4.4.30.0000.0228.26
4.4.20.0050.0158.26
4.4.10.0030.0158.26
4.4.00.0000.0288.26
4.3.110.0040.0188.26
4.3.100.0040.0178.26
4.3.90.0060.0148.26
4.3.80.0050.0258.26
4.3.70.0020.0208.26
4.3.60.0030.0148.26
4.3.50.0040.0178.26
4.3.40.0020.0288.26
4.3.30.0030.0188.26
4.3.20.0070.0158.26
4.3.10.0030.0138.26
4.3.00.0000.0198.26

preferences:
45.96 ms | 401 KiB | 5 Q