3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $a = 5; public function __toString () { var_dump("to string"); return "A"; } } echo $a; b("test" . $a); function b ($t) { return $t; }

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)
8.3.60.0140.00718.56
8.3.50.0100.01221.21
8.3.40.0060.00918.57
8.3.30.0140.00018.93
8.3.20.0070.00020.07
8.3.10.0000.00821.95
8.3.00.0080.00022.51
8.2.180.0110.01116.63
8.2.170.0100.01322.96
8.2.160.0070.00719.26
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0130.00626.16
8.2.120.0030.00519.48
8.2.110.0080.00022.24
8.2.100.0130.00019.55
8.2.90.0000.00719.22
8.2.80.0030.00517.97
8.2.70.0030.00517.50
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0040.00419.75
8.2.30.0040.00417.93
8.2.20.0040.00417.60
8.2.10.0070.00017.73
8.2.00.0080.00017.59
8.1.280.0100.01025.92
8.1.270.0070.00022.14
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00623.96
8.1.230.0080.00318.84
8.1.220.0000.00917.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0040.00417.43
8.1.180.0000.00818.65
8.1.170.0130.00018.65
8.1.160.0040.00422.03
8.1.150.0000.00718.52
8.1.140.0000.00717.25
8.1.130.0040.00417.66
8.1.120.0070.00017.43
8.1.110.0000.00717.33
8.1.100.0040.00417.34
8.1.90.0030.00317.37
8.1.80.0040.00417.37
8.1.70.0030.00317.40
8.1.60.0040.00417.39
8.1.50.0000.00817.37
8.1.40.0060.00317.33
8.1.30.0000.00817.41
8.1.20.0080.00017.54
8.1.10.0000.00817.32
8.1.00.0000.00717.36
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0030.00318.28
8.0.270.0000.00717.06
8.0.260.0030.00316.81
8.0.250.0080.00016.86
8.0.240.0030.00516.92
8.0.230.0000.00716.86
8.0.220.0060.00316.77
8.0.210.0000.00716.77
8.0.200.0070.00017.00
8.0.190.0070.00016.87
8.0.180.0040.00416.93
8.0.170.0000.00816.79
8.0.160.0060.00316.87
8.0.150.0000.00716.89
8.0.140.0000.00816.88
8.0.130.0050.00013.29
8.0.120.0000.00816.77
8.0.110.0060.00316.88
8.0.100.0000.00716.75
8.0.90.0070.00016.91
8.0.80.0120.00416.85
8.0.70.0050.00316.99
8.0.60.0000.00816.73
8.0.50.0000.00716.84
8.0.30.0110.00817.19
8.0.20.0110.00717.40
8.0.10.0040.00416.87
8.0.00.0080.01016.70
7.4.330.0000.00615.00
7.4.320.0000.00716.44
7.4.300.0000.00616.52
7.4.290.0000.00716.44
7.4.280.0000.00716.43
7.4.270.0070.00016.40
7.4.260.0030.00316.47
7.4.250.0000.00716.45
7.4.240.0020.00516.48
7.4.230.0000.00716.36
7.4.220.0120.00616.59
7.4.210.0080.00816.48
7.4.200.0000.00716.63
7.4.190.0080.00016.23
7.4.160.0080.00816.43
7.4.150.0090.00917.40
7.4.140.0130.00617.86
7.4.130.0080.01016.33
7.4.120.0150.00316.52
7.4.110.0100.00616.49
7.4.100.0070.01716.52
7.4.90.0110.00716.48
7.4.80.0040.01419.39
7.4.70.0030.01216.32
7.4.60.0070.01016.45
7.4.50.0040.00416.38
7.4.40.0000.01522.77
7.4.30.0090.00616.33
7.4.10.0100.01015.12
7.4.00.0090.00514.88
7.3.330.0060.00013.32
7.3.320.0000.00513.43
7.3.310.0000.00716.46
7.3.300.0000.00616.32
7.3.290.0120.00616.32
7.3.280.0090.00616.40
7.3.270.0140.00917.40
7.3.260.0100.00616.24
7.3.250.0050.01316.47
7.3.240.0070.01116.34
7.3.230.0140.00816.46
7.3.210.0080.00816.34
7.3.200.0130.00919.39
7.3.190.0030.02116.50
7.3.180.0060.01116.59
7.3.170.0000.01516.43
7.3.160.0120.00316.32
7.3.130.0060.00914.74
7.3.120.0070.01014.70
7.3.110.0130.00014.98
7.3.100.0030.01414.78
7.3.90.0000.01914.61
7.3.80.0120.00314.84
7.3.70.0030.01014.88
7.3.60.0000.01414.77
7.3.50.0030.01214.52
7.3.40.0000.00914.66
7.3.30.0100.00314.59
7.3.20.0040.01116.75
7.3.10.0020.01116.67
7.3.00.0090.00416.50
7.2.330.0090.00916.61
7.2.320.0130.00316.59
7.2.310.0080.00816.46
7.2.300.0060.01116.77
7.2.290.0110.00516.55
7.2.260.0090.00915.11
7.2.250.0040.01515.01
7.2.240.0120.00314.52
7.2.230.0030.01515.22
7.2.220.0070.00715.18
7.2.210.0060.00915.20
7.2.200.0000.01515.15
7.2.190.0110.00014.89
7.2.180.0060.00615.15
7.2.170.0090.00614.91
7.2.160.0060.01214.88
7.2.150.0040.01117.05
7.2.140.0070.00416.72
7.2.130.0030.01116.61
7.2.120.0130.00316.66
7.2.110.0030.00916.70
7.2.100.0050.00816.57
7.2.90.0090.00316.63
7.2.80.0050.00716.84
7.2.70.0040.00716.73
7.2.60.0100.00716.76
7.2.50.0110.00516.51
7.2.40.0110.01116.70
7.2.30.0060.00916.68
7.2.20.0050.00516.61
7.2.10.0050.00816.65
7.2.00.0060.00816.74
7.1.330.0030.00915.65
7.1.320.0060.01015.34
7.1.310.0070.00715.71
7.1.300.0030.01015.63
7.1.290.0060.00615.46
7.1.280.0060.00915.75
7.1.270.0040.01115.46
7.1.260.0070.00715.64
7.1.250.0120.00515.53
7.1.240.0070.00715.61
7.1.230.0060.00915.66
7.1.220.0030.01015.55
7.1.210.0040.01215.51
7.1.200.0070.00715.52
7.1.190.0150.00015.69
7.1.180.0070.00715.48
7.1.170.0030.00715.57
7.1.160.0000.01115.43
7.1.150.0100.00715.38
7.1.140.0030.00615.71
7.1.130.0040.00815.81
7.1.120.0060.00315.68
7.1.110.0070.00715.57
7.1.100.0060.00315.88
7.1.90.0110.00315.77
7.1.80.0100.00315.56
7.1.70.0040.00716.42
7.1.60.0040.01217.79
7.1.50.0070.01116.24
7.1.40.0040.01115.60
7.1.30.0090.00315.47
7.1.20.0070.00715.65
7.1.10.0070.00715.46
7.1.00.0060.03018.92
7.0.330.0070.00715.39
7.0.320.0030.00615.24
7.0.310.0000.01015.29
7.0.300.0040.00815.25
7.0.290.0090.00315.42
7.0.280.0040.00415.48
7.0.270.0030.00915.16
7.0.260.0060.00915.34
7.0.250.0080.00315.07
7.0.240.0030.00615.13
7.0.230.0060.00915.29
7.0.220.0030.01315.31
7.0.210.0000.01214.98
7.0.200.0020.00715.94
7.0.190.0040.01215.04
7.0.180.0000.01715.36
7.0.170.0070.00715.19
7.0.160.0000.01615.34
7.0.150.0040.01115.37
7.0.140.0080.03318.54
7.0.130.0060.00615.39
7.0.120.0060.00915.25
7.0.110.0030.00915.42
7.0.100.0100.00315.46
7.0.90.0040.00715.11
7.0.80.0100.00715.47
7.0.70.0130.00315.38
7.0.60.0060.03917.65
7.0.50.0080.04516.50
7.0.40.0030.04716.77
7.0.30.0180.04116.69
7.0.20.0100.03316.78
7.0.10.0050.02916.78
7.0.00.0050.04416.68
5.6.400.0150.00014.21
5.6.390.0100.00714.26
5.6.380.0110.00014.43
5.6.370.0000.00914.07
5.6.360.0040.00714.52
5.6.350.0090.00614.22
5.6.340.0080.00414.15
5.6.330.0070.00314.35
5.6.320.0100.00314.30
5.6.310.0000.01314.41
5.6.300.0040.00714.44
5.6.290.0090.00314.06
5.6.280.0000.04517.64
5.6.270.0120.00614.46
5.6.260.0070.00314.14
5.6.250.0060.00314.04
5.6.240.0090.00614.39
5.6.230.0070.00314.32
5.6.220.0100.00314.24
5.6.210.0040.04917.35
5.6.200.0100.03816.25
5.6.190.0080.02817.54
5.6.180.0330.03717.26
5.6.170.0140.02717.34
5.6.160.0100.04317.36
5.6.150.0060.02416.18
5.6.140.0080.04316.28
5.6.130.0110.03816.30
5.6.120.0000.03517.67
5.6.110.0050.02317.56
5.6.100.0100.03417.69
5.6.90.0030.05017.62
5.6.80.0110.03817.34
5.6.70.0000.01414.20
5.6.60.0070.00714.16
5.6.50.0040.00814.24
5.6.40.0000.01514.43
5.6.30.0100.00314.18
5.6.20.0070.01014.17
5.6.10.0030.01014.27
5.6.00.0070.00314.08
5.5.380.0080.00314.16
5.5.370.0030.01014.11
5.5.360.0060.00614.07
5.5.350.2230.02317.30
5.5.340.0020.02815.97
5.5.330.0070.02817.12
5.5.320.0130.03817.19
5.5.310.0230.03517.16
5.5.300.0070.04515.97
5.5.290.0020.02616.12
5.5.280.0020.02917.39
5.5.270.0050.03617.41
5.5.260.0150.03717.49
5.5.250.0070.03017.25
5.5.240.0030.04116.99
5.5.230.0000.00914.19
5.5.220.0070.00313.99
5.5.210.0000.01114.13
5.5.200.0000.01514.11
5.5.190.0080.00413.80
5.5.180.0130.00713.78
5.5.170.0080.00814.20
5.5.160.0000.01114.13
5.5.150.0090.00614.03
5.5.140.0100.00714.17
5.5.130.0070.00414.14
5.5.120.0040.01113.89
5.5.110.0000.01613.95
5.5.100.0060.01013.79
5.5.90.0100.00614.17
5.5.80.0070.00313.87
5.5.70.0090.00614.36
5.5.60.0130.00314.07
5.5.50.0140.00714.07
5.5.40.0030.01414.28
5.5.30.0040.01114.12
5.5.20.0070.00714.20
5.5.10.0080.00614.25
5.5.00.0060.01213.68
5.4.450.0140.03215.15
5.4.440.0370.03715.16
5.4.430.0380.03015.24
5.4.420.0100.02715.12
5.4.410.0030.03515.14
5.4.400.0370.03015.18
5.4.390.0370.04015.06
5.4.380.0080.03714.95
5.4.370.0140.03214.65
5.4.360.0170.02814.86
5.4.350.0090.02111.52
5.4.340.0040.02211.54
5.4.330.0050.00210.55
5.4.320.0040.02311.81
5.4.310.0050.02311.70
5.4.300.0040.02111.63
5.4.290.0070.02311.83
5.4.280.0070.01811.77
5.4.270.0030.02311.55
5.4.260.0050.03014.77
5.4.250.0050.04214.80
5.4.240.0100.02314.81
5.4.230.0050.04414.77
5.4.220.0070.03314.85
5.4.210.0070.03214.87
5.4.200.0050.04414.85
5.4.190.0070.03914.94
5.4.180.0050.02814.82
5.4.170.0120.03314.67
5.4.160.0110.02714.75
5.4.150.0100.02714.89
5.4.140.0050.03513.72
5.4.130.0040.03913.77
5.4.120.0020.04313.84
5.4.110.0060.03113.68
5.4.100.0070.03313.68
5.4.90.0100.03413.85
5.4.80.0070.03813.59
5.4.70.0120.03313.48
5.4.60.0050.03813.56
5.4.50.0110.03113.69
5.4.40.0120.03113.60
5.4.30.0070.03213.69
5.4.20.0090.03713.61
5.4.10.0080.02813.56
5.4.00.0030.03113.43
5.3.290.0060.02211.72
5.3.280.0080.02812.57
5.3.270.0060.03812.66
5.3.260.0100.03312.52
5.3.250.0000.03312.65
5.3.240.0050.02812.48
5.3.230.0110.03612.60
5.3.220.0080.02512.47
5.3.210.0070.03212.43
5.3.200.0030.03712.54
5.3.190.0080.03512.51
5.3.180.0080.03712.58
5.3.170.0160.03312.39
5.3.160.0060.04012.59
5.3.150.0070.04412.60
5.3.140.0100.03212.59
5.3.130.0060.04112.56
5.3.120.0150.03212.52
5.3.110.0050.03912.56
5.3.100.0100.02412.31
5.3.90.0090.02412.48
5.3.80.0030.03212.27
5.3.70.0070.02712.11
5.3.60.0060.02812.24
5.3.50.0070.02412.24
5.3.40.0080.02812.15
5.3.30.0060.02612.14
5.3.20.0090.02512.15
5.3.10.0050.02712.02
5.3.00.0070.02412.07
5.2.170.0030.04311.33
5.2.160.0070.03711.11
5.2.150.0030.04311.14
5.2.140.0070.04011.21
5.2.130.0030.04011.06
5.2.120.0030.04011.18
5.2.110.0070.03711.05
5.2.100.0130.03011.09
5.2.90.0100.05011.07
5.2.80.0030.04011.04
5.2.70.0030.04311.15
5.2.60.0070.03710.88
5.2.50.0030.04010.98
5.2.40.0030.03711.07
5.2.30.0070.03710.94
5.2.20.0070.03711.03
5.2.10.0070.03710.93
5.2.00.0070.03710.81
5.1.60.0100.0239.99
5.1.50.0070.03010.09
5.1.40.0070.0439.98
5.1.30.0000.05010.23
5.1.20.0130.02710.57
5.1.10.0100.0309.92
5.1.00.0030.03310.11
5.0.50.0100.0238.79
5.0.40.0030.0278.47
5.0.30.0030.0408.28
5.0.20.0000.0278.23
5.0.10.0030.0278.13
5.0.00.0030.0438.23
4.4.90.0030.0207.28
4.4.80.0030.0207.28
4.4.70.0070.0177.28
4.4.60.0000.0237.28
4.4.50.0070.0177.28
4.4.40.0070.0307.28
4.4.30.0030.0207.28
4.4.20.0070.0177.28
4.4.10.0000.0237.28
4.4.00.0170.0207.28
4.3.110.0000.0237.28
4.3.100.0000.0237.28
4.3.90.0000.0307.28
4.3.80.0000.0337.28
4.3.70.0100.0137.28
4.3.60.0000.0237.28
4.3.50.0030.0207.28
4.3.40.0000.0337.28
4.3.30.0000.0237.28
4.3.20.0000.0237.28
4.3.10.0000.0237.28
4.3.00.0030.0277.23

preferences:
40.92 ms | 400 KiB | 5 Q