3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $p1 = "secret"; public function B() { var_dump($this); ${'t' . 'his'} = 'hidden'; // works var_dump($this); return $this . ' ' . $this->p1; return $this->p1; } } $a = new A; echo $a->B();

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)
8.3.60.0110.00716.75
8.3.50.0070.00922.84
8.3.40.0120.00318.75
8.3.30.0100.00318.97
8.3.20.0070.00020.16
8.3.10.0000.00723.48
8.3.00.0040.00417.38
8.2.180.0060.00916.63
8.2.170.0090.00622.96
8.2.160.0140.00020.17
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0030.00526.16
8.2.120.0040.00420.92
8.2.110.0060.00322.08
8.2.100.0080.00318.03
8.2.90.0000.00718.96
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0000.00817.80
8.2.50.0080.00018.07
8.2.40.0000.00718.03
8.2.30.0070.00017.91
8.2.20.0000.00817.42
8.2.10.0050.00217.96
8.2.00.0000.00717.57
8.1.280.0000.01425.92
8.1.270.0000.00923.97
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.00823.92
8.1.230.0080.00319.00
8.1.220.0000.00717.74
8.1.210.0000.00918.77
8.1.200.0000.00817.35
8.1.190.0060.00317.35
8.1.180.0050.00318.10
8.1.170.0000.01018.42
8.1.160.0000.00822.02
8.1.150.0070.00018.80
8.1.140.0000.00717.37
8.1.130.0000.00717.83
8.1.120.0070.00017.36
8.1.110.0050.00317.41
8.1.100.0040.00417.34
8.1.90.0000.00717.46
8.1.80.0040.00317.48
8.1.70.0000.00817.42
8.1.60.0040.00417.55
8.1.50.0030.00517.40
8.1.40.0050.00517.41
8.1.30.0080.00017.56
8.1.20.0000.00817.57
8.1.10.0000.00717.54
8.1.00.0080.00017.42
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0070.00018.45
8.0.270.0040.00417.27
8.0.260.0030.00317.31
8.0.250.0000.00716.91
8.0.240.0040.00417.01
8.0.230.0070.00017.03
8.0.220.0030.00316.93
8.0.210.0030.00316.86
8.0.200.0000.00716.99
8.0.190.0050.00517.02
8.0.180.0000.00716.94
8.0.170.0080.00016.88
8.0.160.0000.00716.84
8.0.150.0000.00816.79
8.0.140.0000.00716.82
8.0.130.0030.00313.42
8.0.120.0040.00416.92
8.0.110.0040.00416.93
8.0.100.0070.00016.98
8.0.90.0000.00716.78
8.0.80.0030.01916.84
8.0.70.0050.00316.84
8.0.60.0050.00316.98
8.0.50.0000.00716.85
8.0.30.0160.00717.17
8.0.20.0090.01417.40
8.0.10.0040.00417.05
8.0.00.0110.01116.71
7.4.330.0050.00015.15
7.4.320.0030.00316.61
7.4.300.0030.00316.42
7.4.290.0030.00416.53
7.4.280.0040.00416.63
7.4.270.0000.00816.61
7.4.260.0030.00316.46
7.4.250.0000.00716.59
7.4.240.0040.00416.56
7.4.230.0000.00716.70
7.4.220.0130.00716.43
7.4.210.0030.01216.54
7.4.200.0040.00416.67
7.4.160.0000.01616.53
7.4.150.0060.01217.40
7.4.140.0110.01017.86
7.4.130.0090.00916.47
7.4.120.0070.01016.53
7.4.110.0060.01216.79
7.4.100.0120.00916.67
7.4.90.0070.01016.59
7.4.80.0060.01319.39
7.4.70.0030.01416.52
7.4.60.0060.01216.57
7.4.50.0000.00816.43
7.4.40.0100.00716.62
7.4.30.0140.01016.63
7.4.10.0060.00615.18
7.4.00.0100.00515.04
7.3.330.0000.00613.39
7.3.320.0030.00313.37
7.3.310.0030.00316.38
7.3.300.0040.00416.32
7.3.290.0120.01116.39
7.3.280.0090.01016.38
7.3.270.0170.00717.40
7.3.260.0050.01416.73
7.3.250.0120.00616.43
7.3.240.0100.01316.29
7.3.230.0090.01016.40
7.3.210.0080.00816.58
7.3.200.0070.01319.39
7.3.190.0090.00916.45
7.3.180.0070.01016.40
7.3.170.0090.00616.50
7.3.160.0130.00316.38
7.3.130.0070.01114.94
7.3.120.0080.00815.02
7.3.110.0070.01014.85
7.3.100.0110.00714.86
7.3.90.0000.01214.86
7.3.80.0030.00714.92
7.3.70.0030.01014.87
7.3.60.0100.00314.84
7.3.50.0100.00715.01
7.3.40.0040.01114.83
7.3.30.0090.00614.78
7.3.20.0030.01216.49
7.3.10.0080.00816.57
7.3.00.0040.01116.59
7.2.330.0140.00716.56
7.2.320.0110.01116.36
7.2.310.0090.00816.59
7.2.300.0170.00716.74
7.2.290.0030.01816.48
7.2.260.0070.01015.14
7.2.250.0030.01314.98
7.2.240.0080.00415.11
7.2.230.0100.00714.99
7.2.220.0040.00814.89
7.2.210.0080.00415.20
7.2.200.0100.00314.81
7.2.190.0080.00314.90
7.2.180.0070.01114.88
7.2.170.0110.00414.74
7.2.160.0030.01114.95
7.2.150.0040.00716.65
7.2.140.0180.00016.81
7.2.130.0100.00616.76
7.2.120.0040.01116.82
7.2.110.0100.00716.61
7.2.100.0060.01316.82
7.2.90.0070.00716.60
7.2.80.0070.00716.81
7.2.70.0000.01216.69
7.2.60.0030.01016.88
7.2.50.0110.00416.74
7.2.40.0070.01016.80
7.2.30.0090.00616.73
7.2.20.0090.00616.58
7.2.10.0030.00916.94
7.2.00.0000.01516.97
7.1.330.0030.00715.54
7.1.320.0000.00915.70
7.1.310.0000.01416.02
7.1.300.0050.00515.79
7.1.290.0140.00715.68
7.1.280.0070.00715.70
7.1.270.0030.01315.82
7.1.260.0000.01415.76
7.1.250.0070.00415.61
7.1.240.0110.00415.46
7.1.230.0030.00615.66
7.1.220.0060.00815.84
7.1.210.0030.00615.71
7.1.200.0100.00315.55
7.1.190.0040.00715.81
7.1.180.0000.01515.73
7.1.170.0070.00715.85
7.1.160.0140.00315.72
7.1.150.0070.00715.61
7.1.140.0100.00715.76
7.1.130.0070.01015.47
7.1.120.0070.00715.42
7.1.110.0060.00615.80
7.1.100.0090.00615.85
7.1.90.0030.01315.79
7.1.80.0030.01415.57
7.1.70.0050.00816.37
7.1.60.0100.01017.56
7.1.50.0060.01316.27
7.1.40.0050.00515.87
7.1.30.0030.00915.84
7.1.20.0120.00315.58
7.1.10.0030.00915.48
7.1.00.0050.03918.95
7.0.330.0030.01015.39
7.0.320.0030.00915.53
7.0.310.0030.01015.50
7.0.300.0040.00415.29
7.0.290.0070.00715.39
7.0.280.0040.00815.44
7.0.270.0080.00815.35
7.0.260.0030.01315.15
7.0.250.0040.00715.63
7.0.240.0000.01615.29
7.0.230.0060.00915.39
7.0.220.0040.01115.59
7.0.210.0070.01015.11
7.0.200.0040.00716.22
7.0.190.0060.00915.57
7.0.180.0000.01315.33
7.0.170.0060.00915.38
7.0.160.0100.00315.42
7.0.150.0100.00615.42
7.0.140.0070.04218.78
7.0.130.0070.01015.38
7.0.120.0030.01015.54
7.0.110.0050.00515.48
7.0.100.0070.00715.38
7.0.90.0070.00715.54
7.0.80.0070.00715.39
7.0.70.0100.00315.52
7.0.60.0080.02317.61
7.0.50.0070.04216.58
7.0.40.0050.02516.88
7.0.30.0260.02316.80
7.0.20.0170.03216.91
7.0.10.0000.04116.70
7.0.00.0050.02416.95
5.6.400.0070.01014.39
5.6.390.0000.01614.41
5.6.380.0070.00714.28
5.6.370.0040.00914.54
5.6.360.0000.01114.40
5.6.350.0090.00614.53
5.6.340.0000.01214.38
5.6.330.0030.01214.37
5.6.320.0080.00414.64
5.6.310.0140.00314.05
5.6.300.0070.01014.48
5.6.290.0060.00614.70
5.6.280.0060.03817.71
5.6.270.0040.00714.64
5.6.260.0080.00814.65
5.6.250.0000.01714.65
5.6.240.0000.01514.63
5.6.230.0040.00814.64
5.6.220.0090.00014.29
5.6.210.0110.03817.42
5.6.200.0020.02616.17
5.6.190.0050.04717.60
5.6.180.0150.02817.59
5.6.170.0150.03017.43
5.6.160.0080.04017.42
5.6.150.0070.04316.36
5.6.140.0070.04716.22
5.6.130.0030.04516.35
5.6.120.0050.04517.54
5.6.110.0050.04017.66
5.6.100.0020.03317.75
5.6.90.0130.03317.82
5.6.80.0070.04417.30
5.6.70.2000.02017.22
5.6.60.0040.01114.55
5.6.50.0040.00714.39
5.6.40.0070.00414.08
5.6.30.0070.00414.32
5.6.20.0000.00814.09
5.6.10.0070.00314.21
5.6.00.0000.00914.35
5.5.380.0100.00314.37
5.5.370.0070.00714.24
5.5.360.0080.00414.11
5.5.350.0080.04017.29
5.5.340.0020.02616.29
5.5.330.0040.05117.38
5.5.320.0200.04717.34
5.5.310.0150.03517.32
5.5.300.0030.03216.19
5.5.290.0060.02116.28
5.5.280.0050.03617.77
5.5.270.0080.04517.61
5.5.260.0050.02617.78
5.5.250.0070.04717.35
5.5.240.0050.04317.33
5.5.230.0000.01114.24
5.5.220.0080.00414.16
5.5.210.0090.00314.30
5.5.200.0060.00614.25
5.5.190.0100.00314.20
5.5.180.0090.00413.93
5.5.170.0030.00614.41
5.5.160.0000.01314.13
5.5.150.0040.01113.98
5.5.140.0000.01114.36
5.5.130.0080.00614.47
5.5.120.0060.00614.41
5.5.110.0000.01514.35
5.5.100.0060.00614.20
5.5.90.0040.01214.40
5.5.80.0000.01114.45
5.5.70.0090.00314.46
5.5.60.0070.00714.09
5.5.50.0040.01213.93
5.5.40.0030.00614.41
5.5.30.0030.00614.62
5.5.20.0030.01014.18
5.5.10.0000.01414.34
5.5.00.0030.00914.33
5.4.450.0450.03515.49
5.4.440.0450.04115.44
5.4.430.0080.02915.58
5.4.420.0080.02915.56
5.4.410.0070.03215.42
5.4.400.0210.02915.18
5.4.390.0180.03015.17
5.4.380.0320.03515.10
5.4.370.0230.02815.16
5.4.360.0200.02615.18
5.4.350.0090.02111.80
5.4.340.0080.04311.80
5.4.330.0060.00311.59
5.4.320.0080.02012.04
5.4.310.0040.02312.04
5.4.300.0060.01812.04
5.4.290.0050.02212.04
5.4.280.0060.02011.99
5.4.270.0100.02211.99
5.4.260.0050.02111.99
5.4.250.0070.01811.99
5.4.240.0080.01811.99
5.4.230.0040.02511.99
5.4.220.0090.02011.99
5.4.210.0040.02311.99
5.4.200.0040.02411.99
5.4.190.0040.02311.99
5.4.180.0060.02011.99
5.4.170.0040.02211.99
5.4.160.0050.02011.99
5.4.150.0070.01711.99
5.4.140.0070.01811.83
5.4.130.0060.02011.82
5.4.120.0030.02411.80
5.4.110.0070.02111.80
5.4.100.0090.02011.80
5.4.90.0070.01911.80
5.4.80.0060.02111.80
5.4.70.0060.02011.80
5.4.60.0080.01611.80
5.4.50.0080.01811.80
5.4.40.0060.02611.79
5.4.30.0040.02211.79
5.4.20.0100.01611.79
5.4.10.0040.02211.79
5.4.00.0050.02511.54
5.3.290.0070.03812.80
5.3.280.0040.04012.71
5.3.270.0030.04212.72
5.3.260.0030.04212.72
5.3.250.0090.03412.72
5.3.240.0050.03712.72
5.3.230.0100.03412.71
5.3.220.0060.03712.68
5.3.210.0080.03612.68
5.3.200.0110.03212.68
5.3.190.0070.03812.68
5.3.180.0070.03612.67
5.3.170.0060.03612.67
5.3.160.0080.03512.67
5.3.150.0060.03812.67
5.3.140.0100.03312.66
5.3.130.0080.03712.66
5.3.120.0060.04012.66
5.3.110.0070.03912.66
5.3.100.0090.03412.11
5.3.90.0050.03912.11
5.3.80.0050.03712.09
5.3.70.0080.03412.09
5.3.60.0050.03612.07
5.3.50.0060.03812.02
5.3.40.0060.03612.02
5.3.30.0070.03811.98
5.3.20.0090.03211.77
5.3.10.0050.03811.73
5.3.00.0060.03711.71
5.2.170.0030.0319.22
5.2.160.0050.0339.22
5.2.150.0070.0289.22
5.2.140.0050.0369.22
5.2.130.0030.0399.18
5.2.120.0060.0299.17
5.2.110.0070.0309.19
5.2.100.0070.0259.17
5.2.90.0050.0289.17
5.2.80.0060.0289.17
5.2.70.0040.0299.17
5.2.60.0040.0309.12
5.2.50.0050.0379.09
5.2.40.0060.0299.07
5.2.30.0090.0339.04
5.2.20.0040.0369.03
5.2.10.0030.0298.94
5.2.00.0030.0308.80
5.1.60.0040.0238.08
5.1.50.0050.0318.08
5.1.40.0050.0298.06
5.1.30.0060.0318.41
5.1.20.0030.0328.43
5.1.10.0020.0288.16
5.1.00.0030.0258.16
5.0.50.0060.0196.64
5.0.40.0040.0246.50
5.0.30.0040.0296.31
5.0.20.0040.0216.27
5.0.10.0000.0236.25
5.0.00.0070.0336.25
4.4.90.0020.0164.78
4.4.80.0050.0134.75
4.4.70.0040.0144.75
4.4.60.0050.0134.75
4.4.50.0010.0164.77
4.4.40.0040.0244.70
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0040.0144.85
4.4.00.0050.0224.76
4.3.110.0010.0164.67
4.3.100.0020.0154.66
4.3.90.0030.0144.64
4.3.80.0050.0224.58
4.3.70.0040.0164.63
4.3.60.0020.0154.63
4.3.50.0050.0134.63
4.3.40.0030.0234.54
4.3.30.0020.0213.30
4.3.20.0020.0163.28
4.3.10.0040.0143.23
4.3.00.0000.02310.98

preferences:
42.25 ms | 401 KiB | 5 Q