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++, $$b; echo $line++, $a::b; //echo $line++, $$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)
8.3.60.0160.00618.55
8.3.50.0080.01321.21
8.3.40.0150.00018.68
8.3.30.0100.00320.38
8.3.20.0000.00720.34
8.3.10.0050.00321.92
8.3.00.0050.00322.43
8.2.180.0120.00916.75
8.2.170.0070.01422.96
8.2.160.0100.00322.07
8.2.150.0110.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0000.00820.79
8.2.110.0090.00022.27
8.2.100.0060.00617.68
8.2.90.0080.00019.14
8.2.80.0040.00419.38
8.2.70.0030.00617.50
8.2.60.0060.00318.05
8.2.50.0040.00418.07
8.2.40.0000.00820.07
8.2.30.0000.00719.43
8.2.20.0000.00717.66
8.2.10.0040.00417.88
8.2.00.0040.00417.68
8.1.280.0030.01225.92
8.1.270.0080.00023.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00923.91
8.1.230.0100.00019.21
8.1.220.0000.00817.78
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0000.00817.51
8.1.180.0000.00818.86
8.1.170.0040.00418.54
8.1.160.0060.00618.80
8.1.150.0000.00718.55
8.1.140.0050.00217.50
8.1.130.0070.00017.81
8.1.120.0040.00417.38
8.1.110.0000.00717.45
8.1.100.0040.00417.48
8.1.90.0040.00417.46
8.1.80.0040.00417.35
8.1.70.0030.00317.32
8.1.60.0000.00817.52
8.1.50.0040.00417.52
8.1.40.0040.00417.55
8.1.30.0050.00217.46
8.1.20.0050.00317.56
8.1.10.0030.00717.47
8.1.00.0080.00317.55
8.0.300.0050.00318.77
8.0.290.0040.00417.17
8.0.280.0000.00718.50
8.0.270.0070.00017.31
8.0.260.0040.00416.94
8.0.250.0030.00317.08
8.0.240.0060.00317.03
8.0.230.0000.00716.95
8.0.220.0080.00016.98
8.0.210.0070.00016.93
8.0.200.0040.00417.08
8.0.190.0050.00316.90
8.0.180.0050.00316.94
8.0.170.0040.00417.03
8.0.160.0050.00216.93
8.0.150.0000.00716.98
8.0.140.0070.00016.91
8.0.130.0060.00013.33
8.0.120.0080.00016.93
8.0.110.0040.00416.84
8.0.100.0030.00516.83
8.0.90.0080.00016.89
8.0.80.0090.00616.88
8.0.70.0000.00816.73
8.0.60.0070.00016.94
8.0.50.0000.00816.90
8.0.30.0100.01017.09
8.0.20.0080.01117.40
8.0.10.0040.00417.04
8.0.00.0080.01016.76
7.4.330.0000.00615.00
7.4.320.0060.00016.43
7.4.300.0000.00616.55
7.4.290.0070.00016.40
7.4.280.0000.00816.53
7.4.270.0030.00516.62
7.4.260.0050.00013.28
7.4.250.0050.00316.46
7.4.240.0040.00416.38
7.4.230.0000.00716.36
7.4.220.0060.01016.58
7.4.210.0080.00816.54
7.4.200.0050.00216.41
7.4.190.0000.00716.76
7.4.160.0090.00616.39
7.4.150.0070.01017.40
7.4.140.0150.00617.86
7.4.130.0070.01016.56
7.4.120.0110.00716.50
7.4.110.0070.01716.59
7.4.100.0120.00916.54
7.4.90.0080.00916.50
7.4.80.0100.00619.39
7.4.70.0110.00416.56
7.4.60.0040.01816.57
7.4.50.0000.00916.50
7.4.40.0070.00722.77
7.4.30.0120.00816.55
7.4.00.0070.00915.12
7.3.330.0030.00313.37
7.3.320.0000.00613.39
7.3.310.0040.00416.46
7.3.300.0000.00716.29
7.3.290.0080.00516.39
7.3.280.0070.01316.44
7.3.270.0070.01017.40
7.3.260.0140.00416.69
7.3.250.0100.00816.47
7.3.240.0080.00816.52
7.3.230.0080.00816.41
7.3.210.0150.00916.47
7.3.200.0140.00819.39
7.3.190.0100.00716.37
7.3.180.0120.00416.52
7.3.170.0130.00316.48
7.3.160.0060.00916.45
7.3.120.0050.01214.49
7.3.110.0080.00814.81
7.3.100.0090.00514.84
7.3.90.0070.00314.81
7.3.80.0060.00914.75
7.3.70.0050.00714.91
7.3.60.0060.00714.67
7.3.50.0060.00814.80
7.3.40.0090.00514.91
7.3.30.0060.00314.60
7.3.20.0110.00516.56
7.3.10.0050.00816.64
7.3.00.0050.00516.70
7.2.330.0180.00516.73
7.2.320.0150.01216.75
7.2.310.0120.00416.69
7.2.300.0080.00816.75
7.2.290.0100.01316.78
7.2.250.0060.01215.20
7.2.240.0060.01015.14
7.2.230.0050.01014.99
7.2.220.0050.01014.90
7.2.210.0080.00714.76
7.2.200.0050.01114.97
7.2.190.0020.01114.89
7.2.180.0050.01015.17
7.2.170.0070.00614.96
7.2.160.0030.00914.87
7.2.150.0150.00816.70
7.2.140.0070.01016.79
7.2.130.0040.00716.72
7.2.120.0050.00517.05
7.2.110.0000.01517.02
7.2.100.0060.00616.64
7.2.90.0160.00616.99
7.2.80.0000.01417.15
7.2.70.0080.00416.73
7.2.60.0050.00816.90
7.2.50.0040.01116.71
7.2.40.0040.00817.00
7.2.30.0060.00916.89
7.2.20.0090.00616.86
7.2.10.0210.00616.86
7.2.00.0080.00618.29
7.1.330.0050.01215.61
7.1.320.0050.00515.63
7.1.310.0060.00915.66
7.1.300.0060.00915.84
7.1.290.0050.00515.64
7.1.280.0060.00815.50
7.1.270.0080.00615.75
7.1.260.0060.00815.84
7.1.250.0040.01115.63
7.1.200.0160.00315.57
7.1.100.0030.00717.85
7.1.70.0030.01016.73
7.1.60.0160.01019.32
7.1.50.0140.00716.56
7.1.00.0030.04322.43
7.0.200.0000.01016.91
7.0.140.0000.07322.16
7.0.100.0030.04320.00
7.0.90.0030.04319.92
7.0.80.0030.04020.13
7.0.70.0030.04719.88
7.0.60.0130.03720.07
7.0.50.0030.04020.39
7.0.40.0030.04019.96
7.0.30.0070.04020.02
7.0.20.0100.06720.09
7.0.10.0030.05020.04
7.0.00.0000.06320.14
5.6.280.0070.07020.99
5.6.250.0070.04020.72
5.6.240.0070.03720.54
5.6.230.0130.03020.69
5.6.220.0030.04320.67
5.6.210.0070.03020.56
5.6.200.0070.04020.96
5.6.190.0070.03321.01
5.6.180.0070.03321.14
5.6.170.0030.03321.14
5.6.160.0030.07021.06
5.6.150.0030.07321.05
5.6.140.0000.04321.13
5.6.130.0070.07720.95
5.6.120.0070.04021.00
5.6.110.0070.08321.10
5.6.100.0100.07320.99
5.6.90.0000.09321.06
5.6.80.0100.06320.34
5.6.70.0030.08020.34
5.6.60.0030.08020.39
5.6.50.0030.08320.50
5.6.40.0100.08020.53
5.6.30.0070.03720.41
5.6.20.0100.04320.36
5.6.10.0100.07020.46
5.6.00.0170.07720.48
5.5.380.0030.04020.46
5.5.370.0000.04020.51
5.5.360.0100.03720.36
5.5.350.0070.03020.45
5.5.340.0030.03320.93
5.5.330.0130.02320.92
5.5.320.0000.03720.89
5.5.310.0070.06720.86
5.5.300.0030.05720.93
5.5.290.0170.07320.80
5.5.280.0170.07320.93
5.5.270.0070.03720.77
5.5.260.0100.07020.84
5.5.250.0070.04020.74
5.5.240.0070.08320.19
5.5.230.0130.07720.20
5.5.220.0100.07720.16
5.5.210.0070.08320.18
5.5.200.0070.06320.09
5.5.190.0100.04720.22
5.5.180.0070.07320.21
5.5.160.0070.07020.27
5.5.150.0070.07320.25
5.5.140.0170.05020.21
5.5.130.0070.07020.18
5.5.120.0170.06320.22
5.5.110.0070.04320.07
5.5.100.0130.07319.98
5.5.90.0100.04020.16
5.5.80.0070.04720.07
5.5.70.0030.08020.10
5.5.60.0100.08320.04
5.5.50.0070.03720.03
5.5.40.0070.07320.08
5.5.30.0000.08019.93
5.5.20.0230.06020.09
5.5.10.0130.04720.07
5.5.00.0200.03320.02
5.4.450.0070.05719.56
5.4.440.0070.07719.41
5.4.430.0130.08019.17
5.4.420.0030.08319.43
5.4.410.0070.07319.36
5.4.400.0130.07019.13
5.4.390.0100.05318.88
5.4.380.0070.07719.02
5.4.370.0070.05719.05
5.4.360.0100.06319.04
5.4.350.0030.06719.03
5.4.340.0100.05018.95
5.4.320.0030.07319.05
5.4.310.0030.06719.05
5.4.300.0100.07019.04
5.4.290.0100.05718.87
5.4.280.0100.04319.14
5.4.270.0100.07019.18
5.4.260.0070.07319.23
5.4.250.0070.05719.15
5.4.240.0030.07019.08
5.4.230.0070.08318.84
5.4.220.0170.06719.17
5.4.210.0100.07019.14
5.4.200.0030.05718.84
5.4.190.0130.04019.18
5.4.180.0030.06719.21
5.4.170.0200.06719.03
5.4.160.0070.03718.92
5.4.150.0130.05019.11
5.4.140.0000.07716.35
5.4.130.0070.07016.19
5.4.120.0000.04716.36
5.4.110.0100.05716.27
5.4.100.0000.05316.34
5.4.90.0000.05316.47
5.4.80.0100.06016.46
5.4.70.0070.08016.42
5.4.60.0030.05716.39
5.4.50.0030.07716.44
5.4.40.0070.07716.30
5.4.30.0070.05716.48
5.4.20.0030.04716.48
5.4.10.0070.06016.30
5.4.00.0070.08015.82
5.3.290.0030.08714.78
5.3.280.0070.04014.71
5.3.270.0100.05014.63
5.3.260.0030.04314.72
5.3.250.0070.07314.52
5.3.240.0070.08014.71
5.3.230.0030.05314.54
5.3.220.0030.07714.48
5.3.210.0000.04714.65
5.3.200.0130.07014.58
5.3.190.0130.06014.65
5.3.180.0070.03714.48
5.3.170.0100.05314.65
5.3.160.0030.07314.50
5.3.150.0070.07014.54
5.3.140.0070.07014.47
5.3.130.0100.04014.49
5.3.120.0100.05014.53
5.3.110.0170.05314.66
5.3.100.0030.06714.05
5.3.90.0070.06714.00
5.3.80.0030.05314.01
5.3.70.0030.07314.13
5.3.60.0030.05714.05
5.3.50.0000.07313.88
5.3.40.0100.05313.98
5.3.30.0030.07313.88
5.3.20.0070.06713.78
5.3.10.0030.07013.66
5.3.00.0070.07313.73
5.2.170.0100.03712.61
5.2.160.0100.03312.61
5.2.150.0030.05712.61
5.2.140.0000.04012.61
5.2.130.0000.03712.61
5.2.120.0100.05312.61
5.2.110.0070.03312.61
5.2.100.0070.06012.61
5.2.90.0030.04312.61
5.2.80.0070.05312.61
5.2.70.0030.03712.61
5.2.60.0100.03012.61
5.2.50.0030.03312.61
5.2.40.0030.04012.61
5.2.30.0030.05012.61
5.2.20.0000.04012.61
5.2.10.0100.05712.61
5.2.00.0030.05712.61
5.1.60.0030.05312.61
5.1.50.0100.04712.61
5.1.40.0000.04012.61
5.1.30.0070.05012.61
5.1.20.0070.05712.61
5.1.10.0000.03012.61
5.1.00.0000.04712.61
5.0.50.0070.02012.61
5.0.40.0030.04312.61
5.0.30.0070.06712.61
5.0.20.0030.02012.61
5.0.10.0030.04012.61
5.0.00.0030.04312.61
4.4.90.0000.02312.61
4.4.80.0030.03012.61
4.4.70.0100.02012.61
4.4.60.0000.02012.61
4.4.50.0030.02712.61
4.4.40.0030.04712.61
4.4.30.0070.02712.61
4.4.20.0070.01312.61
4.4.10.0000.01712.61
4.4.00.0000.04712.61
4.3.110.0000.03712.61
4.3.100.0030.02712.61
4.3.90.0000.01712.61
4.3.80.0070.04012.61
4.3.70.0000.02312.61
4.3.60.0030.03312.61
4.3.50.0000.03312.61
4.3.40.0070.04012.61
4.3.30.0000.01712.61
4.3.20.0070.01312.61
4.3.10.0000.03712.61
4.3.00.0000.01712.61

preferences:
52.05 ms | 400 KiB | 5 Q