3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public function __construct() { $this->$a = 'hola'; } public function b() { print_r($this->$a); } } $f = new foo; $f->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)
8.3.60.0100.00718.56
8.3.50.0080.00717.39
8.3.40.0140.00718.97
8.3.30.0110.00418.48
8.3.20.0080.00018.60
8.3.10.0060.00320.45
8.3.00.0040.00417.50
8.2.180.0090.00616.50
8.2.170.0120.00922.96
8.2.160.0070.00722.12
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00719.89
8.2.110.0060.00320.84
8.2.100.0060.00617.72
8.2.90.0070.00320.77
8.2.80.0000.00817.89
8.2.70.0080.00017.75
8.2.60.0030.00617.93
8.2.50.0050.00318.07
8.2.40.0090.00019.95
8.2.30.0080.00018.01
8.2.20.0000.00717.65
8.2.10.0000.00817.79
8.2.00.0030.00517.82
8.1.280.0030.01225.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00320.80
8.1.230.0100.00320.79
8.1.220.0000.00817.74
8.1.210.0030.00619.06
8.1.200.0060.00317.35
8.1.190.0020.00517.51
8.1.180.0100.00018.10
8.1.170.0060.00318.71
8.1.160.0050.00218.91
8.1.150.0040.00418.50
8.1.140.0070.00317.53
8.1.130.0070.00017.68
8.1.120.0000.00717.50
8.1.110.0040.00417.34
8.1.100.0000.00717.41
8.1.90.0080.00017.45
8.1.80.0030.00317.35
8.1.70.0030.00317.43
8.1.60.0050.00217.62
8.1.50.0020.00517.48
8.1.40.0000.00717.41
8.1.30.0080.00017.46
8.1.20.0050.00317.64
8.1.10.0000.00717.56
8.1.00.0000.00817.54
8.0.300.0030.00619.81
8.0.290.0020.00516.75
8.0.280.0030.00318.33
8.0.270.0000.00717.25
8.0.260.0070.00016.90
8.0.250.0000.00716.91
8.0.240.0000.00817.01
8.0.230.0040.00416.90
8.0.220.0070.00016.81
8.0.210.0020.00516.79
8.0.200.0000.00816.99
8.0.190.0050.00316.98
8.0.180.0000.00716.86
8.0.170.0030.00616.88
8.0.160.0030.00317.04
8.0.150.0040.00416.93
8.0.140.0050.00216.92
8.0.130.0000.00613.38
8.0.120.0020.00516.95
8.0.110.0000.00717.00
8.0.100.0000.00716.96
8.0.90.0050.00216.82
8.0.80.0120.00616.87
8.0.70.0050.00316.94
8.0.60.0030.00517.01
8.0.50.0040.00416.75
8.0.30.0100.00817.25
8.0.20.0090.01117.09
8.0.10.0040.00417.10
8.0.00.0110.00616.70
7.4.330.0000.00514.81
7.4.320.0070.00016.52
7.4.300.0000.00616.47
7.4.290.0000.00716.57
7.4.280.0030.00616.63
7.4.270.0000.00716.39
7.4.260.0000.00513.28
7.4.250.0050.00316.50
7.4.240.0000.00716.51
7.4.230.0050.00316.61
7.4.220.0070.01016.48
7.4.210.0090.00716.57
7.4.200.0000.00716.29
7.4.190.0040.00416.57
7.4.160.0040.01216.52
7.4.150.0110.00617.07
7.4.140.0070.01017.08
7.4.130.0110.00616.46
7.4.120.0080.01016.51
7.4.110.0040.01316.66
7.4.100.0170.00616.62
7.4.90.0060.01216.32
7.4.80.0000.01718.80
7.4.70.0090.01116.43
7.4.60.0070.01016.52
7.4.50.0060.00323.17
7.4.40.0070.01021.69
7.4.30.0120.00816.57
7.4.10.0070.00915.04
7.4.00.0050.01114.93
7.3.330.0000.00613.34
7.3.320.0040.00313.34
7.3.310.0050.00216.22
7.3.300.0000.00616.37
7.3.290.0090.00616.36
7.3.280.0120.00516.33
7.3.270.0090.01217.07
7.3.260.0040.01318.24
7.3.250.0090.01116.29
7.3.240.0030.01916.41
7.3.230.0090.00916.38
7.3.210.0120.00616.29
7.3.200.0070.01019.39
7.3.190.0180.00616.45
7.3.180.0100.00616.57
7.3.170.0130.00316.29
7.3.160.0110.00516.59
7.3.130.0100.00814.86
7.3.120.0060.01014.98
7.3.110.0120.00614.86
7.3.100.0050.00914.63
7.3.90.0080.00714.92
7.3.80.0040.00714.67
7.3.70.0110.00514.67
7.3.60.0060.00814.72
7.3.50.0060.00514.83
7.3.40.0040.00514.65
7.3.30.0090.00414.87
7.3.20.0100.00316.67
7.3.10.0060.00616.51
7.3.00.0080.00416.52
7.2.330.0070.01516.71
7.2.320.0030.01416.70
7.2.310.0100.00716.41
7.2.300.0040.01516.51
7.2.290.0060.01016.69
7.2.260.0070.00814.99
7.2.250.0070.01115.06
7.2.240.0050.00915.15
7.2.230.0080.00915.02
7.2.220.0090.00714.98
7.2.210.0050.00515.13
7.2.200.0100.00315.04
7.2.190.0050.00814.72
7.2.180.0000.01414.85
7.2.170.0120.00314.96
7.2.160.0070.00714.82
7.2.150.0050.00716.90
7.2.140.0070.00916.89
7.2.130.0070.00816.76
7.2.120.0030.01116.73
7.2.110.0110.00316.64
7.2.100.0060.00616.74
7.2.90.0030.01016.84
7.2.80.0080.00516.97
7.2.70.0060.00816.88
7.2.60.0030.00916.83
7.2.50.0090.00516.91
7.2.40.0070.00616.79
7.2.30.0040.01216.92
7.2.20.0090.00716.87
7.2.10.0040.00916.96
7.2.00.0050.00617.74
7.1.330.0050.00815.77
7.1.320.0070.00915.72
7.1.310.0080.00515.76
7.1.300.0030.01015.79
7.1.290.0070.00715.69
7.1.280.0070.00715.72
7.1.270.0070.00515.70
7.1.260.0040.00915.86
7.1.250.0050.01015.62
7.1.240.0040.00915.82
7.1.230.0000.01215.80
7.1.220.0070.00615.69
7.1.210.0040.01315.77
7.1.200.0070.00615.70
7.1.190.0050.01115.79
7.1.180.0050.00615.74
7.1.170.0060.00715.70
7.1.160.0020.00915.81
7.1.150.0000.01215.69
7.1.140.0080.00515.73
7.1.130.0100.00515.78
7.1.120.0020.01015.83
7.1.110.0110.00515.77
7.1.100.0040.00815.73
7.1.90.0060.00615.84
7.1.80.0060.00715.83
7.1.70.0040.00816.16
7.1.60.0080.00716.16
7.1.50.0080.01016.27
7.1.40.0050.00915.74
7.1.30.0070.01015.61
7.1.20.0050.00915.65
7.1.10.0110.00115.65
7.1.00.0020.03218.01
7.0.330.0090.00515.30
7.0.320.0070.00715.36
7.0.310.0050.00515.35
7.0.300.0100.00515.32
7.0.290.0090.00515.24
7.0.280.0030.00815.20
7.0.270.0030.00815.28
7.0.260.0050.00715.34
7.0.250.0050.00715.39
7.0.240.0060.00515.19
7.0.230.0040.01015.38
7.0.220.0040.00415.25
7.0.210.0070.00515.46
7.0.200.0020.01115.88
7.0.190.0040.00915.18
7.0.180.0050.00915.36
7.0.170.0050.00615.40
7.0.160.0080.00415.31
7.0.150.0050.00815.36
7.0.140.0040.03117.66
7.0.130.0080.00815.36
7.0.120.0020.01817.61
7.0.110.0050.00615.15
7.0.100.0060.00915.27
7.0.90.0050.01015.28
7.0.80.0050.01115.22
7.0.70.0020.01115.17
7.0.60.0050.03516.98
7.0.50.0060.01916.27
7.0.40.0120.01814.78
7.0.30.0050.03114.79
7.0.20.0080.01614.93
7.0.10.0090.02914.86
7.0.00.0040.01914.92
5.6.400.0100.00314.19
5.6.390.0060.00814.20
5.6.380.0020.01414.22
5.6.370.0070.00514.18
5.6.360.0040.01114.42
5.6.350.0050.00714.39
5.6.340.0030.01414.34
5.6.330.0060.00614.44
5.6.320.0060.00814.21
5.6.310.0110.00514.57
5.6.300.0060.00914.48
5.6.290.0030.01014.38
5.6.280.0080.02816.52
5.6.270.0080.00414.17
5.6.260.0110.00614.27
5.6.250.0000.01514.16
5.6.240.0030.00814.38
5.6.230.0100.00614.46
5.6.220.0090.00414.38
5.6.210.0040.03216.50
5.6.200.0050.03215.58
5.6.190.0070.03215.56
5.6.180.0080.02715.52
5.6.170.0020.02415.70
5.6.160.0080.01615.59
5.6.150.0040.02115.70
5.6.140.0100.02715.70
5.6.130.0040.03115.50
5.6.120.0060.02915.60
5.6.110.0100.02415.59
5.6.100.0010.02115.65
5.6.90.0070.02815.53
5.6.80.0060.03315.24
5.6.70.0040.02315.29
5.6.60.0060.02115.30
5.6.50.0070.03115.32
5.6.40.0020.03615.27
5.6.30.0030.02415.34
5.6.20.0030.02115.27
5.6.10.0050.02315.45
5.6.00.0060.01915.31
5.5.380.0050.01014.21
5.5.370.0090.00414.22
5.5.360.0050.00714.24
5.5.350.0080.02016.17
5.5.340.0070.03515.34
5.5.330.0080.03115.38
5.5.320.0100.02715.58
5.5.310.0010.03215.37
5.5.300.0040.02515.53
5.5.290.0070.03015.46
5.5.280.0040.03315.52
5.5.270.0040.03015.37
5.5.260.0020.02315.48
5.5.250.0060.02915.25
5.5.240.0040.03115.12
5.5.230.0110.02515.31
5.5.220.0070.02415.20
5.5.210.0080.01915.32
5.5.200.0060.03115.31
5.5.190.0050.01615.16
5.5.180.0020.02515.16
5.5.170.0060.00614.19
5.5.160.0040.01815.20
5.5.150.0030.03315.27
5.5.140.0060.01615.18
5.5.130.0080.02315.15
5.5.120.0040.02715.00
5.5.110.0100.02815.25
5.5.100.0060.02915.08
5.5.90.0030.03515.11
5.5.80.0060.02915.10
5.5.70.0020.03615.33
5.5.60.0040.03315.24
5.5.50.0070.02915.17
5.5.40.0070.02715.02
5.5.30.0060.03015.06
5.5.20.0060.02714.96
5.5.10.0050.01815.20
5.5.00.0100.02514.91
5.4.450.0030.02313.82
5.4.440.0050.03213.77
5.4.430.0100.02413.62
5.4.420.0010.02013.76
5.4.410.0040.02013.76
5.4.400.0050.02713.61
5.4.390.0020.03213.53
5.4.380.0090.02513.62
5.4.370.0060.02813.68
5.4.360.0030.02513.64
5.4.350.0080.01713.51
5.4.340.0050.01813.63
5.4.330.0090.00110.99
5.4.320.0080.02013.73
5.4.310.0050.01713.51
5.4.300.0040.03013.57
5.4.290.0040.02713.56
5.4.280.0070.03013.58
5.4.270.0020.02113.57
5.4.260.0010.03313.63
5.4.250.0070.03013.69
5.4.240.0060.02513.41
5.4.230.0050.02813.63
5.4.220.0040.03113.60
5.4.210.0090.01713.56
5.4.200.0040.02913.45
5.4.190.0040.02013.62
5.4.180.0020.02013.61
5.4.170.0010.03213.62
5.4.160.0050.02413.52
5.4.150.0040.03013.67
5.4.140.0020.02212.79
5.4.130.0070.02612.78
5.4.120.0110.02412.84
5.4.110.0060.02112.85
5.4.100.0030.01812.71
5.4.90.0070.02512.81
5.4.80.0070.02212.66
5.4.70.0030.02712.62
5.4.60.0050.01912.80
5.4.50.0060.02512.70
5.4.40.0020.01912.70
5.4.30.0060.01512.74
5.4.20.0060.02812.77
5.4.10.0120.02212.80
5.4.00.0050.02612.51
5.3.290.0070.02311.90
5.3.280.0060.02911.94
5.3.270.0070.02611.96
5.3.260.0050.02511.88
5.3.250.0080.02211.94
5.3.240.0070.01611.85
5.3.230.0050.02111.94
5.3.220.0060.01711.88
5.3.210.0000.02311.87
5.3.200.0040.02211.85
5.3.190.0050.02011.86
5.3.180.0040.03011.94
5.3.170.0040.03011.94
5.3.160.0020.03411.84
5.3.150.0030.02311.94
5.3.140.0060.02111.89
5.3.130.0080.02211.91
5.3.120.0070.02711.80
5.3.110.0060.02611.93
5.3.100.0000.02011.74
5.3.90.0020.03211.73
5.3.80.0070.02711.70
5.3.70.0060.02911.65
5.3.60.0080.02111.66
5.3.50.0070.02711.66
5.3.40.0060.01811.54
5.3.30.0070.02711.60
5.3.20.0050.02611.56
5.3.10.0040.01411.56
5.3.00.0040.02311.49
5.2.170.0100.04711.19
5.2.160.0000.03711.01
5.2.150.0000.07311.13
5.2.140.0070.05711.24
5.2.130.0000.03711.11
5.2.120.0030.06011.07
5.2.110.0070.06311.13
5.2.100.0100.03011.00
5.2.90.0070.03011.10
5.2.80.0130.05311.13
5.2.70.0070.04311.20
5.2.60.0100.05711.16
5.2.50.0100.06310.92
5.2.40.0070.04711.05
5.2.30.0030.03311.00
5.2.20.0100.03010.85
5.2.10.0030.06010.71
5.2.00.0070.06010.78
5.1.60.0070.04010.03
5.1.50.0070.04710.04
5.1.40.0000.03710.02
5.1.30.0000.03010.39
5.1.20.0070.05310.45
5.1.10.0070.05710.28
5.1.00.0000.03310.10
5.0.50.0030.0308.54
5.0.40.0030.0338.40
5.0.30.0030.0338.32
5.0.20.0000.0438.27
5.0.10.0000.0278.14
5.0.00.0030.0438.12
4.4.90.0100.0277.43
4.4.80.0070.0237.43
4.4.70.0000.0377.43
4.4.60.0070.0337.43
4.4.50.0000.0407.43
4.4.40.0000.0607.43
4.4.30.0030.0307.43
4.4.20.0000.0307.43
4.4.10.0070.0307.43
4.4.00.0030.0507.43
4.3.110.0000.0237.43
4.3.100.0000.0237.43
4.3.90.0070.0337.43
4.3.80.0030.0307.43
4.3.70.0030.0177.43
4.3.60.0000.0377.43
4.3.50.0070.0337.43
4.3.40.0030.0507.43
4.3.30.0000.0407.43
4.3.20.0030.0377.43
4.3.10.0000.0237.43
4.3.00.0000.0237.43

preferences:
43.83 ms | 401 KiB | 5 Q