3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public $a = " test a! "; static public $b = " test b! "; public function __toString() { return '[class a]'; } } $a = new a(); $b = "a"; $line = 0; echo $line++, $$b; //echo $line++, $$b->a; //echo $line++, $$b->b; //echo $line++, $$b::$b; // ERROR //echo $line++, $$b::b; // ERROR

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)
8.3.60.0100.01018.13
8.3.50.0110.00522.04
8.3.40.0140.00318.49
8.3.30.0150.00019.09
8.3.20.0000.00720.16
8.3.10.0020.00523.56
8.3.00.0050.00320.93
8.2.180.0160.00616.75
8.2.170.0040.01122.96
8.2.160.0130.00320.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0150.00019.00
8.2.110.0030.00622.08
8.2.100.0080.00317.78
8.2.90.0080.00019.26
8.2.80.0030.00517.97
8.2.70.0060.00317.48
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00820.07
8.2.30.0020.00518.13
8.2.20.0070.00017.69
8.2.10.0080.00018.00
8.2.00.0030.00619.59
8.1.280.0070.01125.92
8.1.270.0060.00323.97
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.97
8.1.230.0080.00418.97
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.48
8.1.190.0040.00417.25
8.1.180.0060.00318.10
8.1.170.0030.00518.51
8.1.160.0040.00422.05
8.1.150.0000.00718.59
8.1.140.0070.00017.45
8.1.130.0000.00617.84
8.1.120.0000.00717.48
8.1.110.0040.00417.35
8.1.100.0070.00017.36
8.1.90.0070.00017.46
8.1.80.0030.00517.52
8.1.70.0070.00017.37
8.1.60.0030.00617.58
8.1.50.0030.00617.56
8.1.40.0040.00417.52
8.1.30.0030.00617.55
8.1.20.0030.00517.66
8.1.10.0000.00717.58
8.1.00.0040.00417.55
8.0.300.0050.00318.77
8.0.290.0000.00716.63
8.0.280.0030.00318.45
8.0.270.0000.00717.25
8.0.260.0030.00317.20
8.0.250.0020.00516.97
8.0.240.0040.00416.92
8.0.230.0030.00316.91
8.0.220.0000.00716.88
8.0.210.0000.00616.91
8.0.200.0000.00616.84
8.0.190.0060.00316.94
8.0.180.0040.00416.96
8.0.170.0040.00416.87
8.0.160.0070.00016.91
8.0.150.0040.00416.82
8.0.140.0000.00716.82
8.0.130.0000.00613.29
8.0.120.0000.00716.88
8.0.110.0000.00716.79
8.0.100.0040.00416.95
8.0.90.0000.00716.77
8.0.80.0060.01616.92
8.0.70.0000.00816.92
8.0.60.0000.00716.96
8.0.50.0030.00516.84
8.0.30.0090.00917.19
8.0.20.0180.00217.40
8.0.10.0070.00016.88
8.0.00.0110.00716.76
7.4.330.0050.00015.02
7.4.320.0030.00316.58
7.4.300.0000.00616.58
7.4.290.0000.00716.61
7.4.280.0000.00616.49
7.4.270.0040.00416.48
7.4.260.0040.00416.55
7.4.250.0040.00416.39
7.4.240.0030.00316.64
7.4.230.0020.00516.39
7.4.220.0100.00716.41
7.4.210.0030.01216.59
7.4.200.0070.00016.51
7.4.160.0030.01216.52
7.4.150.0120.00617.40
7.4.140.0120.00717.86
7.4.130.0080.00816.61
7.4.120.0110.00516.47
7.4.110.0130.00316.64
7.4.100.0100.00716.63
7.4.90.0170.00016.57
7.4.80.0070.01019.39
7.4.70.0130.00316.52
7.4.60.0120.00616.55
7.4.50.0040.00416.76
7.4.40.0070.01116.46
7.4.30.0160.00016.45
7.4.00.0030.01414.95
7.3.330.0050.00013.44
7.3.320.0050.00013.13
7.3.310.0000.00716.40
7.3.300.0000.00716.34
7.3.290.0060.00916.42
7.3.280.0090.01016.32
7.3.270.0090.00917.40
7.3.260.0140.00816.61
7.3.250.0160.00216.61
7.3.240.0030.01316.56
7.3.230.0110.00516.51
7.3.210.0080.00916.34
7.3.200.0100.00619.39
7.3.190.0170.00816.52
7.3.180.0060.00916.36
7.3.170.0080.00816.56
7.3.160.0080.00816.55
7.3.120.0070.01014.86
7.3.110.0080.00814.79
7.3.100.0050.00914.70
7.3.90.0060.01014.89
7.3.80.0070.00914.62
7.3.70.0100.00314.68
7.3.60.0050.00914.81
7.3.50.0090.00714.87
7.3.40.0070.00914.63
7.3.30.0050.00914.82
7.3.20.0060.00616.67
7.3.10.0100.00716.63
7.3.00.0050.00916.55
7.2.330.0060.01216.83
7.2.320.0100.00716.81
7.2.310.0060.01016.78
7.2.300.0040.01216.80
7.2.290.0130.00616.80
7.2.250.0070.01315.08
7.2.240.0100.01015.08
7.2.230.0070.00914.97
7.2.220.0060.01015.22
7.2.210.0040.01015.08
7.2.200.0060.00815.09
7.2.190.0060.00915.03
7.2.180.0090.00414.90
7.2.170.0070.01015.00
7.2.130.0100.00616.77
7.2.120.0080.00616.74
7.2.110.0110.00416.74
7.2.100.0090.00516.92
7.2.90.0070.00716.98
7.2.80.0070.00616.92
7.2.70.0120.00716.97
7.2.60.0080.01116.96
7.2.50.0170.00316.70
7.2.40.0090.00616.86
7.2.30.0130.00616.83
7.2.20.0210.00316.98
7.2.10.0100.00416.82
7.2.00.0070.00817.50
7.1.330.0030.01115.78
7.1.320.0050.00815.57
7.1.310.0060.01015.50
7.1.300.0050.01115.74
7.1.290.0080.00715.70
7.1.280.0040.00915.69
7.1.270.0010.01415.51
7.1.260.0020.01115.75
7.1.250.0090.00715.74
7.1.240.0060.00915.84
7.1.230.0000.01215.65
7.1.220.0100.00315.54
7.1.210.0070.00715.71
7.1.200.0050.00515.74
7.1.190.0110.00315.45
7.1.180.0090.00615.79
7.1.170.0140.00315.28
7.1.160.0070.00715.59
7.1.150.0030.01015.76
7.1.140.0100.00615.42
7.1.130.0130.00315.64
7.1.120.0130.00315.91
7.1.110.0100.00315.57
7.1.100.0080.00716.61
7.1.90.0030.01015.67
7.1.80.0060.00915.75
7.1.70.0030.00716.46
7.1.60.0080.01017.56
7.1.50.0030.01016.20
7.1.40.0100.00315.73
7.1.30.0060.00615.69
7.1.20.0060.00615.43
7.1.10.0040.00815.34
7.1.00.0090.03918.87
7.0.330.0130.00315.32
7.0.320.0070.00715.49
7.0.310.0040.00915.08
7.0.300.0060.00615.10
7.0.290.0030.01015.32
7.0.280.0100.00715.05
7.0.270.0080.00814.87
7.0.260.0030.01015.23
7.0.250.0060.00915.26
7.0.240.0070.01015.12
7.0.230.0090.00615.23
7.0.220.0130.00315.20
7.0.210.0110.00715.23
7.0.200.0080.00515.88
7.0.190.0140.00315.08
7.0.180.0070.01115.28
7.0.170.0070.00715.16
7.0.160.0110.00015.25
7.0.150.0060.00615.41
7.0.140.0090.03818.70
7.0.130.0090.00915.47
7.0.120.0130.00315.26
7.0.110.0200.00315.16
7.0.100.0090.04017.52
7.0.90.0300.02917.42
7.0.80.0290.03617.63
7.0.70.0250.04717.53
7.0.60.0290.03417.46
7.0.50.0240.04617.83
7.0.40.0050.04516.71
7.0.30.0080.03316.49
7.0.20.0100.04216.56
7.0.10.0080.03516.65
7.0.00.0100.04316.61
5.6.380.0120.00314.30
5.6.370.0030.01113.88
5.6.360.0000.01414.22
5.6.350.0040.01114.23
5.6.340.0030.01013.92
5.6.330.0070.00714.08
5.6.320.0070.01014.48
5.6.310.0150.00014.32
5.6.300.0100.00314.08
5.6.290.0050.00613.98
5.6.280.0020.04117.62
5.6.270.0070.00714.25
5.6.260.0040.00813.89
5.6.250.0050.02817.14
5.6.240.0040.02917.34
5.6.230.0110.03817.28
5.6.220.0070.04317.53
5.6.210.0050.03317.45
5.6.200.0070.04317.64
5.6.190.0060.04217.63
5.6.180.0050.04717.63
5.6.170.0020.03217.62
5.6.160.0130.03817.52
5.6.150.0070.04317.51
5.6.140.0060.04017.37
5.6.130.0020.03117.62
5.6.120.0050.04717.34
5.6.110.0100.04417.44
5.6.100.0070.04517.51
5.6.90.0050.04117.62
5.6.80.0070.02717.28
5.6.70.0030.03817.33
5.6.60.0050.03117.30
5.6.50.0030.03317.20
5.6.40.0030.03017.07
5.6.30.0070.04017.23
5.6.20.0070.04017.28
5.6.10.0060.04517.25
5.6.00.0050.04317.17
5.5.380.0050.03215.46
5.5.370.0100.04015.72
5.5.360.0020.05215.72
5.5.350.0100.03715.83
5.5.340.0080.03515.90
5.5.330.0050.04315.74
5.5.320.0130.04015.87
5.5.310.0000.04615.95
5.5.300.0100.03515.89
5.5.290.0070.04015.85
5.5.280.0050.03015.86
5.5.270.0050.04015.81
5.5.260.0020.04715.99
5.5.250.0020.04515.55
5.5.240.0070.03315.48
5.5.230.0020.04715.57
5.5.220.0030.04615.36
5.5.210.0030.04115.50
5.5.200.0050.02215.38
5.5.190.0050.03915.59
5.5.180.0100.03915.61
5.5.170.0080.00310.70
5.5.160.0070.04215.41
5.5.150.0070.04215.46
5.5.140.0070.03915.30
5.5.130.0030.04415.43
5.5.120.0090.04015.40
5.5.110.0070.03415.48
5.5.100.0050.04015.35
5.5.90.0070.03915.35
5.5.80.0060.03815.53
5.5.70.0080.04015.35
5.5.60.0030.02715.46
5.5.50.0100.03815.30
5.5.40.0070.02115.36
5.5.30.0090.04115.57
5.5.20.0030.02915.25
5.5.10.0110.04015.50
5.5.00.0070.03815.50
5.4.450.0110.03615.11
5.4.440.0020.05115.34
5.4.430.0020.02915.15
5.4.420.0020.04515.06
5.4.410.0030.03515.00
5.4.400.0010.04114.82
5.4.390.0030.04215.07
5.4.380.0030.04514.99
5.4.370.0080.03715.01
5.4.360.0070.02015.02
5.4.350.0020.04515.00
5.4.340.0080.02814.93
5.4.330.0030.00311.00
5.4.320.0030.04014.86
5.4.310.0040.04314.85
5.4.300.0150.03014.87
5.4.290.0030.04514.91
5.4.280.0050.04314.84
5.4.270.0080.03914.89
5.4.260.0030.04214.95
5.4.250.0070.04214.81
5.4.240.0050.04315.09
5.4.230.0050.02314.97
5.4.220.0050.04315.00
5.4.210.0040.04114.96
5.4.200.0070.03814.92
5.4.190.0080.03714.99
5.4.180.0100.03314.71
5.4.170.0020.04514.97
5.4.160.0030.04315.00
5.4.150.0110.03615.01
5.4.140.0030.03813.70
5.4.130.0060.04313.44
5.4.120.0070.03613.59
5.4.110.0090.03713.71
5.4.100.0100.03513.62
5.4.90.0050.03413.63
5.4.80.0030.02113.64
5.4.70.0050.04113.56
5.4.60.0090.03513.66
5.4.50.0100.03213.75
5.4.40.0080.03613.44
5.4.30.0080.03013.59
5.4.20.0070.01813.69
5.4.10.0040.02413.62
5.4.00.0070.03713.18
5.3.290.0040.04612.67
5.3.280.0070.03712.43
5.3.270.0060.04312.56
5.3.260.0090.04112.42
5.3.250.0140.03712.58
5.3.240.0090.02312.47
5.3.230.0050.04312.57
5.3.220.0060.04012.39
5.3.210.0090.04112.47
5.3.200.0090.02012.42
5.3.190.0030.04012.48
5.3.180.0120.02512.54
5.3.170.0000.04312.48
5.3.160.0150.03512.42
5.3.150.0050.04212.57
5.3.140.0060.03312.61
5.3.130.0110.03712.55
5.3.120.0090.02712.52
5.3.110.0050.02512.49
5.3.100.0070.03912.20
5.3.90.0090.04012.41
5.3.80.0150.03512.27
5.3.70.0110.03012.16
5.3.60.0040.04412.29
5.3.50.0130.03212.15
5.3.40.0080.03312.11
5.3.30.0070.04012.21
5.3.20.0050.03912.02
5.3.10.0110.02111.87
5.3.00.0100.03311.97
5.2.170.0070.03310.20
5.2.160.0080.03210.19
5.2.150.0060.02110.42
5.2.140.0050.03510.30
5.2.130.0040.03710.29
5.2.120.0070.03310.09
5.2.110.0130.02510.39
5.2.100.0020.02710.34
5.2.90.0050.01710.28
5.2.80.0060.03610.22
5.2.70.0070.03410.14
5.2.60.0050.02310.16
5.2.50.0060.02210.28
5.2.40.0080.03010.12
5.2.30.0100.02810.14
5.2.20.0070.01910.13
5.2.10.0020.0389.89
5.2.00.0030.0319.80
5.1.60.0030.0319.18
5.1.50.0080.0239.15
5.1.40.0070.0249.18
5.1.30.0080.0239.50
5.1.20.0030.0279.48
5.1.10.0030.0319.21
5.1.00.0020.0209.17
5.0.50.0050.0178.35
5.0.40.0060.0188.30
5.0.30.0090.0278.24
5.0.20.0040.0138.17
5.0.10.0040.0238.21
5.0.00.0030.0288.15
4.4.90.0010.0207.79
4.4.80.0040.0147.79
4.4.70.0080.0187.79
4.4.60.0000.0237.79
4.4.50.0020.0137.79
4.4.40.0100.0167.79
4.4.30.0030.0187.79
4.4.20.0030.0137.79
4.4.10.0040.0147.79
4.4.00.0020.0287.79
4.3.110.0000.0237.79
4.3.100.0030.0207.79
4.3.90.0020.0217.79
4.3.80.0040.0277.79
4.3.70.0050.0097.79
4.3.60.0030.0207.79
4.3.50.0030.0207.79
4.3.40.0050.0277.79
4.3.30.0060.0177.79
4.3.20.0020.0187.79
4.3.10.0020.0207.79
4.3.00.0020.0197.79

preferences:
43.82 ms | 401 KiB | 5 Q