3v4l.org

run code in 300+ PHP versions simultaneously
<?php //Source: https://bugs.php.net/bug.php?id=62437 function output($buffer) { global $object; return $buffer . $object; } ob_start('output'); $object = 'ertretre'; $test = $object; echo "foo "; //$test = $object;

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)
8.3.60.0110.00418.56
8.3.50.0100.00816.58
8.3.40.0070.00718.38
8.3.30.0100.01018.42
8.3.20.0040.00418.52
8.3.10.0050.00320.48
8.3.00.0080.00017.38
8.2.180.0090.00916.38
8.2.170.0120.00322.96
8.2.160.0120.00322.09
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.95
8.2.110.0030.00721.18
8.2.100.0060.00617.72
8.2.90.0060.00320.95
8.2.80.0030.00517.93
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0020.00518.04
8.2.20.0040.00417.67
8.2.10.0040.00417.67
8.2.00.0040.00317.84
8.1.280.0120.00325.92
8.1.270.0070.00023.99
8.1.260.0040.01126.35
8.1.250.0040.00428.09
8.1.240.0080.00320.69
8.1.230.0070.00720.93
8.1.220.0000.00817.74
8.1.210.0090.00018.91
8.1.200.0000.00917.48
8.1.190.0000.00717.54
8.1.180.0050.00318.10
8.1.170.0050.00318.91
8.1.160.0050.00218.82
8.1.150.0040.00418.57
8.1.140.0000.00817.36
8.1.130.0000.00617.84
8.1.120.0050.00317.44
8.1.110.0070.00017.31
8.1.100.0040.00417.27
8.1.90.0070.00017.40
8.1.80.0000.00717.43
8.1.70.0000.00717.40
8.1.60.0030.00617.41
8.1.50.0000.00717.34
8.1.40.0040.00417.37
8.1.30.0000.00717.55
8.1.20.0060.00317.51
8.1.10.0020.00517.40
8.1.00.0040.00417.48
8.0.300.0040.00419.98
8.0.290.0070.00016.63
8.0.280.0000.00718.34
8.0.270.0040.00417.25
8.0.260.0070.00016.79
8.0.250.0040.00416.94
8.0.240.0080.00316.92
8.0.230.0040.00416.94
8.0.220.0040.00416.84
8.0.210.0070.00016.92
8.0.200.0000.00716.89
8.0.190.0030.00317.01
8.0.180.0040.00416.88
8.0.170.0030.00616.83
8.0.160.0040.00416.86
8.0.150.0040.00416.72
8.0.140.0060.00616.73
8.0.130.0000.00513.27
8.0.120.0050.00316.84
8.0.110.0000.00816.76
8.0.100.0080.00016.88
8.0.90.0080.00016.79
8.0.80.0090.00616.81
8.0.70.0070.00016.93
8.0.60.0020.00516.75
8.0.50.0040.00416.73
8.0.30.0080.01117.08
8.0.20.0100.01217.18
8.0.10.0040.00416.98
8.0.00.0080.01116.78
7.4.330.0000.00514.71
7.4.320.0040.00416.52
7.4.300.0030.00316.54
7.4.290.0040.00416.46
7.4.280.0040.00416.43
7.4.270.0000.00616.43
7.4.260.0060.00313.15
7.4.250.0000.00716.41
7.4.240.0070.00016.52
7.4.230.0070.00016.34
7.4.220.0060.01316.32
7.4.210.0090.00816.51
7.4.200.0070.00016.23
7.4.190.0030.00316.51
7.4.160.0160.00016.31
7.4.150.0060.01117.18
7.4.140.0080.01317.14
7.4.130.0100.01016.44
7.4.120.0070.01016.44
7.4.110.0130.00916.62
7.4.100.0070.01016.40
7.4.90.0150.00316.25
7.4.80.0090.00618.80
7.4.70.0060.01916.35
7.4.60.0130.00616.49
7.4.50.0040.00416.11
7.4.40.0100.00022.27
7.4.30.0100.00716.44
7.4.00.0040.01114.68
7.3.330.0060.00013.31
7.3.320.0000.00513.14
7.3.310.0070.00016.26
7.3.300.0000.00716.28
7.3.290.0100.00316.30
7.3.280.0080.01016.28
7.3.270.0040.01217.18
7.3.260.0080.01118.24
7.3.250.0080.01116.37
7.3.240.0120.01016.55
7.3.230.0100.00716.54
7.3.210.0080.00816.39
7.3.200.0000.01616.49
7.3.190.0120.00616.56
7.3.180.0080.00816.32
7.3.170.0090.00916.31
7.3.160.0030.01316.36
7.3.120.0040.01114.60
7.2.330.0060.01616.65
7.2.320.0090.00616.70
7.2.310.0100.00716.31
7.2.300.0040.01216.61
7.2.290.0070.01016.24
7.2.60.0080.00416.73
7.2.50.0080.00316.80
7.1.200.0110.00015.65
7.1.70.0030.00617.10
7.1.60.0040.01819.40
7.1.50.0030.01916.85
7.1.00.0000.08322.30
7.0.200.0000.01016.75
7.0.140.0130.06321.98
7.0.60.0000.05019.94
7.0.50.0070.06317.89
7.0.40.0070.05017.73
7.0.30.0000.05017.83
7.0.20.0100.05017.75
7.0.10.0100.05717.75
7.0.00.0000.04717.85
5.6.280.0100.06720.89
5.6.210.0130.05720.61
5.6.200.0070.06018.29
5.6.190.0030.07718.28
5.6.180.0070.08018.23
5.6.170.0130.07718.23
5.6.160.0030.07318.15
5.6.150.0230.05718.25
5.6.140.0070.05718.16
5.6.130.0170.06718.28
5.6.120.0100.08318.21
5.6.110.0070.08018.22
5.6.100.0070.05318.17
5.6.90.0070.06718.16
5.6.80.0030.08017.61
5.6.70.0100.05317.57
5.6.60.0070.07317.53
5.6.50.0170.07017.67
5.6.40.0070.06717.51
5.6.30.0070.06317.58
5.6.20.0100.07317.51
5.6.10.0070.08017.53
5.6.00.0100.05317.53
5.5.350.2070.04320.39
5.5.340.0100.06018.03
5.5.330.0030.08018.04
5.5.320.0030.05017.99
5.5.310.0100.08017.94
5.5.300.0100.05317.98
5.5.290.0100.07317.97
5.5.280.0030.07717.92
5.5.270.0000.09317.95
5.5.260.0100.07017.95
5.5.250.0070.08017.77
5.5.240.0070.04717.34
5.5.230.0100.06017.44
5.5.220.0130.07017.30
5.5.210.0000.05017.34
5.5.200.0030.04317.37
5.5.190.0000.04017.30
5.5.180.0000.04317.34
5.5.160.0000.05717.32
5.5.150.0070.05317.27
5.5.140.0100.05017.34
5.5.130.0070.08317.37
5.5.120.0070.04317.34
5.5.110.0100.07317.31
5.5.100.0070.04717.21
5.5.90.0070.07717.22
5.5.80.0100.05717.28
5.5.70.0100.07317.22
5.5.60.0100.07317.20
5.5.50.0100.07017.16
5.5.40.0100.07017.22
5.5.30.0030.04717.19
5.5.20.0070.08017.27
5.5.10.0100.05017.27
5.5.00.0030.08017.21
5.4.450.0070.08319.37
5.4.440.0070.08319.35
5.4.430.0130.07019.38
5.4.420.0070.07719.34
5.4.410.0070.07719.32
5.4.400.0130.03019.10
5.4.390.0070.07019.09
5.4.380.0030.07318.91
5.4.370.0100.07719.09
5.4.360.0000.04319.05
5.4.350.0100.07719.02
5.4.340.0070.07319.09
5.4.320.0130.06319.07
5.4.310.0130.07019.18
5.4.300.0100.07319.02
5.4.290.0030.08019.01
5.4.280.0030.06719.11
5.4.270.0030.08019.27
5.4.260.0100.05019.02
5.4.250.0230.04719.09
5.4.240.0100.07719.11
5.4.230.0170.07019.09
5.4.220.0100.07318.88
5.4.210.0100.07719.09
5.4.200.0030.07719.09
5.4.190.0030.05319.09
5.4.180.0070.05719.02
5.4.170.0070.06719.10
5.4.160.0170.06718.93
5.4.150.0000.08019.01
5.4.140.0030.04716.29
5.4.130.0100.04316.30
5.4.120.0070.07316.38
5.4.110.0170.06316.38
5.4.100.0030.06716.32
5.4.90.0070.07016.40
5.4.80.0070.03716.46
5.4.70.0100.07316.46
5.4.60.0030.07316.45
5.4.50.0130.06716.46
5.4.40.0030.07716.43
5.4.30.0030.05016.32
5.4.20.0070.06716.36
5.4.10.0130.06716.38
5.4.00.0030.04315.88
5.3.290.0000.08714.52
5.3.280.0130.07314.67
5.3.270.0000.08014.68
5.3.260.0030.05014.67
5.3.250.0070.03314.66
5.3.240.0100.04014.61
5.3.230.0030.08714.64
5.3.220.0030.06314.53
5.3.210.0070.06714.57
5.3.200.0000.04314.60
5.3.190.0070.03714.67
5.3.180.0130.07714.57
5.3.170.0030.07714.51
5.3.160.0070.04014.55
5.3.150.0070.07314.56
5.3.140.0000.08314.56
5.3.130.0030.06314.56
5.3.120.0000.07014.50
5.3.110.0000.07314.54
5.3.100.0030.04713.88
5.3.90.0130.06713.97
5.3.80.0100.07013.90
5.3.70.0100.07014.05
5.3.60.0000.07713.86
5.3.50.0070.06713.95
5.3.40.0070.05313.98
5.3.30.0070.03713.90
5.3.20.0070.06013.59
5.3.10.0100.06713.68
5.3.00.0000.06013.67
5.2.170.0070.05711.18
5.2.160.0030.05011.25
5.2.150.0070.03711.21
5.2.140.0070.06011.14
5.2.130.0070.06011.00
5.2.120.0100.06011.07
5.2.110.0000.04311.15
5.2.100.0030.03711.17
5.2.90.0100.05711.07
5.2.80.0100.04011.15
5.2.70.0070.05311.12
5.2.60.0100.05711.01
5.2.50.0000.04011.02
5.2.40.0030.05710.89
5.2.30.0030.04311.03
5.2.20.0070.04310.96
5.2.10.0070.03010.90
5.2.00.0030.06310.71
5.1.60.0030.04010.06
5.1.50.0070.0509.96
5.1.40.0070.0539.81
5.1.30.0030.05310.40
5.1.20.0000.05710.40
5.1.10.0030.05710.07
5.1.00.0070.05010.05
5.0.50.0070.0438.93
5.0.40.0000.0478.93
5.0.30.0000.0408.93
5.0.20.0000.0378.93
5.0.10.0070.0408.93
5.0.00.0030.0438.93
4.4.90.0000.0238.93
4.4.80.0070.0238.93
4.4.70.0000.0278.93
4.4.60.0070.0308.93
4.4.50.0000.0238.93
4.4.40.0030.0478.93
4.4.30.0030.0338.93
4.4.20.0030.0278.93
4.4.10.0000.0378.93
4.4.00.0000.0478.93
4.3.110.0030.0378.93
4.3.100.0030.0278.93
4.3.90.0000.0378.93
4.3.80.0070.0508.93
4.3.70.0000.0378.93
4.3.60.0070.0338.93
4.3.50.0030.0378.93
4.3.40.0000.0578.93
4.3.30.0000.0378.93
4.3.20.0030.0378.93
4.3.10.0000.0408.93
4.3.00.0000.0378.93

preferences:
47.69 ms | 401 KiB | 5 Q