3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(); echo "ob_0"; ob_start(); echo "ob_1"; ob_start(); echo "ob_2"; $ob2 = ob_get_clean(); $ob1 = ob_get_clean(); $ob0 = ob_get_clean(); print_r(ob_get_status(true)); echo "0: ".$ob0."\n"; echo "1: ".$ob1."\n"; echo "2: ".$ob2."\n";

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)
8.3.60.0120.00316.38
8.3.50.0090.00917.27
8.3.40.0040.01118.69
8.3.30.0110.00418.71
8.3.20.0000.00718.57
8.3.10.0140.00718.48
8.3.00.0080.00019.38
8.2.180.0000.01416.75
8.2.170.0170.00322.96
8.2.160.0130.00721.02
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0060.00320.45
8.2.110.0060.00321.07
8.2.100.0100.00317.72
8.2.90.0060.00319.42
8.2.80.0040.00419.33
8.2.70.0030.00517.49
8.2.60.0060.00317.93
8.2.50.0000.00918.07
8.2.40.0050.00318.22
8.2.30.0000.00718.16
8.2.20.0060.00317.66
8.2.10.0000.00817.70
8.2.00.0000.00717.68
8.1.280.0000.01425.92
8.1.270.0060.00324.66
8.1.260.0090.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00622.55
8.1.230.0040.00720.93
8.1.220.0050.00317.79
8.1.210.0000.00918.80
8.1.200.0040.00417.23
8.1.190.0000.00717.39
8.1.180.0040.00418.10
8.1.170.0000.00918.82
8.1.160.0040.00418.88
8.1.150.0000.00718.60
8.1.140.0030.00517.57
8.1.130.0000.00717.41
8.1.120.0040.00417.49
8.1.110.0040.00417.48
8.1.100.0000.00717.46
8.1.90.0030.00517.46
8.1.80.0070.00017.38
8.1.70.0040.00417.45
8.1.60.0000.00717.56
8.1.50.0060.00317.49
8.1.40.0000.00717.58
8.1.30.0000.00717.55
8.1.20.0040.00417.62
8.1.10.0040.00417.42
8.1.00.0040.00417.41
8.0.300.0030.00320.07
8.0.290.0040.00416.75
8.0.280.0040.00418.37
8.0.270.0050.00317.19
8.0.260.0000.00616.83
8.0.250.0000.00716.96
8.0.240.0050.00216.90
8.0.230.0040.00416.95
8.0.220.0070.00016.89
8.0.210.0000.00716.92
8.0.200.0030.00316.96
8.0.190.0050.00316.84
8.0.180.0000.00816.89
8.0.170.0090.00016.81
8.0.160.0030.00316.93
8.0.150.0030.00616.89
8.0.140.0000.00716.88
8.0.130.0000.00613.37
8.0.120.0050.00316.86
8.0.110.0030.00516.89
8.0.100.0040.00416.93
8.0.90.0070.00016.81
8.0.80.0030.01116.91
8.0.70.0050.00316.91
8.0.60.0080.00016.77
8.0.50.0040.00416.87
8.0.30.0130.00717.18
8.0.20.0050.01517.04
8.0.10.0030.00616.79
8.0.00.0130.00616.79
7.4.330.0000.00513.05
7.4.320.0000.00716.45
7.4.300.0060.00016.43
7.4.290.0030.00316.55
7.4.280.0000.00716.55
7.4.270.0000.00816.56
7.4.260.0060.00013.22
7.4.250.0060.00316.36
7.4.240.0030.00316.51
7.4.230.0030.00316.57
7.4.220.0000.01916.59
7.4.210.0080.00816.58
7.4.200.0040.00416.25
7.4.190.0080.00016.32
7.4.160.0060.00916.41
7.4.150.0100.00716.55
7.4.140.0080.01316.46
7.4.130.0070.01016.43
7.4.120.0100.00716.54
7.4.110.0060.01216.46
7.4.100.0120.00616.42
7.4.90.0090.00916.55
7.4.80.0150.00819.39
7.4.70.0100.00716.46
7.4.60.0120.00616.39
7.4.50.0060.00616.36
7.4.40.0040.01416.30
7.4.30.0000.01616.52
7.4.00.0030.01214.93
7.3.330.0000.00713.03
7.3.320.0030.00313.19
7.3.310.0030.00316.25
7.3.300.0030.00316.30
7.3.290.0110.00416.25
7.3.280.0090.00916.28
7.3.270.0050.01116.56
7.3.260.0060.01016.22
7.3.250.0110.00816.42
7.3.240.0140.00516.47
7.3.230.0080.00816.63
7.3.210.0070.01016.50
7.3.200.0100.00616.52
7.3.190.0120.00916.33
7.3.180.0060.00916.47
7.3.170.0070.01116.15
7.3.160.0120.00916.44
7.3.120.0060.00914.79
7.2.330.0190.00016.87
7.2.320.0130.00916.70
7.2.310.0080.01116.67
7.2.300.0080.00816.49
7.2.290.0100.00716.77
7.2.00.0080.00419.58
7.1.100.0040.01117.97
7.1.70.0000.00817.21
7.1.60.0130.01019.40
7.1.50.0040.01416.81
7.1.00.0000.03722.30
7.0.200.0290.01114.85
7.0.140.0070.07021.93
7.0.120.0030.06322.14
7.0.60.0030.04019.90
7.0.50.0170.07717.90
7.0.40.0130.07317.72
7.0.30.0030.05717.73
7.0.20.0030.07017.75
7.0.10.0100.03717.66
7.0.00.0100.07717.69
5.6.280.0100.06721.17
5.6.210.0130.04320.69
5.6.200.0130.07718.12
5.6.190.0000.08718.13
5.6.180.0130.05318.22
5.6.170.0130.04318.09
5.6.160.0100.06318.09
5.6.150.0070.08318.18
5.6.140.0070.08018.07
5.6.130.0030.05018.18
5.6.120.0030.07318.11
5.6.110.0070.07718.16
5.6.100.0070.06018.11
5.6.90.0000.05018.10
5.6.80.0030.04717.51
5.6.70.0130.06317.56
5.6.60.0100.05717.53
5.6.50.0000.06717.55
5.6.40.0100.07317.54
5.6.30.0070.07717.47
5.6.20.0070.06017.48
5.6.10.0030.07317.57
5.6.00.0070.07017.46
5.5.350.0370.06720.39
5.5.340.0200.05717.96
5.5.330.0030.04317.95
5.5.320.0070.04717.92
5.5.310.0100.07717.97
5.5.300.0130.05017.92
5.5.290.0100.07718.00
5.5.280.0070.07318.02
5.5.270.0030.07018.02
5.5.260.0030.08317.95
5.5.250.0070.06317.75
5.5.240.0100.06017.26
5.5.230.0030.07717.33
5.5.220.0100.07317.34
5.5.210.0070.04017.34
5.5.200.0100.06317.20
5.5.190.0100.04317.27
5.5.180.0100.07017.36
5.5.160.0130.06317.24
5.5.150.0170.06317.27
5.5.140.0070.07717.23
5.5.130.0070.04717.35
5.5.120.0070.07317.30
5.5.110.0000.04317.29
5.5.100.0130.04317.20
5.5.90.0100.05717.26
5.5.80.0030.07317.27
5.5.70.0070.05017.23
5.5.60.0070.07317.23
5.5.50.0100.08017.16
5.5.40.0070.05317.25
5.5.30.0100.07017.22
5.5.20.0070.07317.16
5.5.10.0070.04717.11
5.5.00.0100.05717.15
5.4.450.0030.06719.30
5.4.440.0030.08319.29
5.4.430.0100.07719.32
5.4.420.0100.07719.35
5.4.410.0100.06019.16
5.4.400.0070.07018.99
5.4.390.0070.07718.98
5.4.380.0070.07719.11
5.4.370.0030.07719.11
5.4.360.0100.06718.99
5.4.350.0070.05318.98
5.4.340.0030.08019.01
5.4.320.0100.06018.98
5.4.310.0030.06318.98
5.4.300.0100.08019.09
5.4.290.0070.06019.01
5.4.280.0030.04019.11
5.4.270.0030.07019.12
5.4.260.0030.07718.98
5.4.250.0030.08018.98
5.4.240.0070.04318.95
5.4.230.0000.06319.02
5.4.220.0130.07019.03
5.4.210.0030.08319.20
5.4.200.0030.08319.11
5.4.190.0030.08718.97
5.4.180.0100.06318.95
5.4.170.0000.05719.11
5.4.160.0030.04319.19
5.4.150.0170.03019.04
5.4.140.0100.04316.23
5.4.130.0070.04016.40
5.4.120.0070.06716.32
5.4.110.0070.07016.38
5.4.100.0270.02316.30
5.4.90.0070.04016.44
5.4.80.0000.07016.29
5.4.70.0170.06316.46
5.4.60.0070.05716.28
5.4.50.0100.06716.20
5.4.40.0070.07716.28
5.4.30.0100.06316.38
5.4.20.0100.04016.55
5.4.10.0070.07016.30
5.4.00.0070.06315.77
5.3.290.0130.07314.54
5.3.280.0100.06714.56
5.3.270.0070.06714.59
5.3.260.0070.03314.59
5.3.250.0070.03714.39
5.3.240.0030.05314.58
5.3.230.0030.08014.58
5.3.220.0030.05014.66
5.3.210.0070.04314.53
5.3.200.0070.07314.55
5.3.190.0070.03714.52
5.3.180.0070.08314.39
5.3.170.0100.06014.50
5.3.160.0070.04314.55
5.3.150.0030.07714.51
5.3.140.0070.08014.54
5.3.130.0070.08014.64
5.3.120.0070.07314.38
5.3.110.0030.07714.49
5.3.100.0130.07013.98
5.3.90.0100.07013.80
5.3.80.0070.04713.94
5.3.70.0030.04014.01
5.3.60.0030.05713.95
5.3.50.0030.04013.75
5.3.40.0070.04013.91
5.3.30.0030.04313.84
5.3.20.0070.06713.48
5.3.10.0100.03713.63
5.3.00.0030.04713.59
5.2.170.0070.05011.10
5.2.160.0000.03310.94
5.2.150.0070.02711.14
5.2.140.0000.04011.29
5.2.130.0070.03710.94
5.2.120.0030.05311.12
5.2.110.0000.03311.11
5.2.100.0070.03011.14
5.2.90.0000.06011.25
5.2.80.0030.03711.08
5.2.70.0000.04011.06
5.2.60.0130.02310.98
5.2.50.0070.03710.98
5.2.40.0030.03710.80
5.2.30.0030.06710.80
5.2.20.0070.05710.96
5.2.10.0000.06310.84
5.2.00.0070.04710.87
5.1.60.0070.0509.92
5.1.50.0070.04310.00
5.1.40.0000.03310.05
5.1.30.0170.03010.38
5.1.20.0030.03710.36
5.1.10.0000.0579.99
5.1.00.0000.06010.06
5.0.50.0030.0438.59
5.0.40.0070.0408.35
5.0.30.0030.0678.30
5.0.20.0030.0438.03
5.0.10.0070.0438.38
5.0.00.0000.0508.37
4.4.90.0000.0207.82
4.4.80.0030.0337.82
4.4.70.0000.0407.82
4.4.60.0000.0377.82
4.4.50.0000.0377.82
4.4.40.0000.0377.82
4.4.30.0000.0277.82
4.4.20.0000.0407.82
4.4.10.0000.0307.82
4.4.00.0030.0377.82
4.3.110.0000.0337.82
4.3.100.0000.0377.82
4.3.90.0070.0207.82
4.3.80.0000.0577.82
4.3.70.0000.0307.82
4.3.60.0070.0277.82
4.3.50.0070.0337.82
4.3.40.0000.0507.82
4.3.30.0030.0207.82
4.3.20.0000.0207.82
4.3.10.0000.0177.82
4.3.00.0000.0277.82

preferences:
37.58 ms | 401 KiB | 5 Q