3v4l.org

run code in 300+ PHP versions simultaneously
<?php $boo = 1; $_SESSION['boo']='$boo'; $boo = 2; echo 'boo = ', $boo; echo '{$_SESSION["boo"]} = ', "${$_SESSION[boo]}";

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)
8.3.40.0060.00918.86
8.3.30.0070.00718.83
8.3.20.0040.00420.34
8.3.10.0040.00423.65
8.3.00.0030.00519.69
8.2.170.0070.01322.96
8.2.160.0070.00720.39
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00317.63
8.2.110.0090.00022.04
8.2.100.0000.01217.75
8.2.90.0040.00419.30
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0080.00018.05
8.2.50.0110.00018.07
8.2.40.0000.00819.23
8.2.30.0050.00220.01
8.2.20.0040.00417.87
8.2.10.0040.00418.19
8.2.00.0030.00618.12
8.1.270.0040.00420.38
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.59
8.1.230.0110.00017.48
8.1.220.0040.00417.79
8.1.210.0080.00018.77
8.1.200.0090.00017.35
8.1.190.0030.00617.35
8.1.180.0030.00518.10
8.1.170.0060.00318.66
8.1.160.0000.00722.07
8.1.150.0040.00418.89
8.1.140.0040.00417.50
8.1.130.0000.00717.78
8.1.120.0050.00217.51
8.1.110.0040.00417.38
8.1.100.0030.00317.45
8.1.90.0070.00017.30
8.1.80.0030.00517.34
8.1.70.0000.00817.43
8.1.60.0040.00417.59
8.1.50.0080.00017.56
8.1.40.0050.00317.39
8.1.30.0050.00317.68
8.1.20.0080.00017.68
8.1.10.0000.00817.50
8.1.00.0020.00517.52
8.0.300.0030.00618.77
8.0.290.0040.00416.75
8.0.280.0030.00318.50
8.0.270.0070.00017.27
8.0.260.0000.00617.27
8.0.250.0000.00716.94
8.0.240.0000.00917.04
8.0.230.0000.00716.97
8.0.220.0030.00316.80
8.0.210.0000.00716.92
8.0.200.0070.00017.00
8.0.190.0000.00717.02
8.0.180.0070.00017.00
8.0.170.0080.00016.93
8.0.160.0000.00717.05
8.0.150.0000.00716.90
8.0.140.0070.00016.93
8.0.130.0000.00813.39
8.0.120.0000.00716.95
8.0.110.0040.00416.91
8.0.100.0000.00716.98
8.0.90.0080.00016.86
8.0.80.0080.00816.84
8.0.70.0060.00316.85
8.0.60.0030.00516.96
8.0.50.0000.00716.83
8.0.30.0050.01316.84
8.0.20.0100.01017.40
8.0.10.0070.00017.10
8.0.00.0080.00916.77
7.4.330.0000.00515.15
7.4.320.0050.00216.52
7.4.300.0060.00016.41
7.4.290.0040.00416.61
7.4.280.0000.00816.61
7.4.270.0040.00416.52
7.4.260.0060.00316.52
7.4.250.0000.00716.42
7.4.240.0030.00316.54
7.4.230.0040.00416.44
7.4.220.0110.00716.64
7.4.210.0050.01316.56
7.4.200.0040.00416.59
7.4.160.0080.01416.46
7.4.150.0090.00917.40
7.4.140.0110.00717.86
7.4.130.0100.00916.45
7.4.120.0080.00816.51
7.4.110.0070.01016.62
7.4.100.0110.00616.70
7.4.90.0150.00316.64
7.4.80.0050.01119.39
7.4.70.0110.00616.64
7.4.60.0070.01016.38
7.4.50.0040.00416.41
7.4.40.0030.01416.53
7.4.30.0160.00616.44
7.4.00.0030.01415.00
7.3.330.0040.00413.33
7.3.320.0060.00013.25
7.3.310.0070.00016.48
7.3.300.0000.00616.44
7.3.290.0030.00316.38
7.3.280.0070.01416.44
7.3.270.0140.00317.40
7.3.260.0080.00816.39
7.3.250.0100.00616.46
7.3.240.0080.00816.57
7.3.230.0080.00816.50
7.3.210.0120.00616.44
7.3.200.0060.00916.43
7.3.190.0060.01216.57
7.3.180.0150.00316.42
7.3.170.0100.00716.43
7.3.160.0110.00616.60
7.3.120.0100.00914.69
7.3.110.0070.01114.90
7.3.100.0070.00914.91
7.3.90.0030.00814.78
7.3.80.0060.00914.94
7.3.70.0060.00514.88
7.3.60.0100.00314.63
7.3.50.0070.00514.67
7.3.40.0060.00514.79
7.3.30.0080.00714.88
7.3.20.0060.00816.51
7.3.10.0080.00516.59
7.3.00.0090.00316.48
7.2.330.0180.00016.54
7.2.320.0130.00616.71
7.2.310.0100.00716.44
7.2.300.0060.01316.54
7.2.290.0130.00316.87
7.2.250.0080.00714.98
7.2.240.0070.01315.01
7.2.230.0110.00614.92
7.2.220.0020.01114.86
7.2.210.0080.00615.04
7.2.200.0100.00314.76
7.2.190.0020.01314.98
7.2.180.0070.00614.74
7.2.170.0070.00514.99
7.2.160.0120.00314.86
7.2.150.0050.01116.90
7.2.140.0090.00216.82
7.2.130.0040.00916.93
7.2.120.0060.00616.93
7.2.110.0110.00816.84
7.2.100.0030.01316.98
7.2.90.0070.01016.76
7.2.80.0000.01816.91
7.2.70.0100.00716.93
7.2.60.0030.00916.88
7.2.50.0050.00616.92
7.2.40.0080.00716.78
7.2.30.0070.00716.74
7.2.20.0090.00516.91
7.2.10.0020.01217.07
7.2.00.0030.01017.74
7.1.330.0080.00415.78
7.1.320.0090.00515.75
7.1.310.0010.01115.70
7.1.300.0030.00815.68
7.1.290.0060.00615.82
7.1.280.0040.00915.63
7.1.270.0100.00315.78
7.1.260.0020.01215.66
7.1.250.0070.00615.65
7.1.240.0040.01115.86
7.1.230.0120.00315.54
7.1.220.0060.00915.71
7.1.210.0070.00715.52
7.1.200.0000.01215.76
7.1.190.0000.00915.59
7.1.180.0060.00615.58
7.1.170.0030.01215.40
7.1.160.0040.01115.54
7.1.150.0040.01115.59
7.1.140.0040.01215.62
7.1.130.0070.00715.49
7.1.120.0090.00315.68
7.1.110.0030.01015.90
7.1.100.0060.00616.70
7.1.90.0060.00315.81
7.1.80.0090.00615.65
7.1.70.0020.01016.50
7.1.60.0110.00717.93
7.1.50.0110.00616.15
7.1.40.0030.01015.55
7.1.30.0090.00615.79
7.1.20.0080.00415.45
7.1.10.0060.00615.53
7.1.00.0090.03719.02
7.0.330.0070.00415.04
7.0.320.0070.00715.56
7.0.310.0060.00615.30
7.0.300.0030.01015.48
7.0.290.0070.00315.41
7.0.280.0060.00915.54
7.0.270.0060.00615.37
7.0.260.0030.00615.21
7.0.250.0110.00315.23
7.0.240.0060.00915.57
7.0.230.0120.00315.04
7.0.220.0030.01115.08
7.0.210.0070.00715.30
7.0.200.0070.00516.16
7.0.190.0070.00315.28
7.0.180.0000.01315.35
7.0.170.0000.01315.57
7.0.160.0070.00715.36
7.0.150.0060.00915.50
7.0.140.0060.00315.31
7.0.130.0080.00415.37
7.0.120.0070.00715.35
7.0.110.0100.00615.25
7.0.100.0090.00915.23
7.0.90.0030.01515.39
7.0.80.0030.01315.21
7.0.70.0000.01315.25
7.0.60.0060.04517.76
7.0.50.0020.02416.61
7.0.40.0180.02316.65
7.0.30.0120.03016.74
7.0.20.0200.04116.78
7.0.10.0090.02216.84
7.0.00.0070.03716.69
5.6.400.0070.00714.40
5.6.390.0040.01414.65
5.6.380.0100.00014.23
5.6.370.0070.01014.62
5.6.360.0070.00714.02
5.6.350.0080.00414.36
5.6.340.0030.01014.18
5.6.330.0030.01414.18
5.6.320.0040.00814.51
5.6.310.0030.01214.00
5.6.300.0000.01114.10
5.6.290.0030.00914.23
5.6.280.0070.03517.63
5.6.270.0110.00714.36
5.6.260.0100.00714.39
5.6.250.0040.01214.14
5.6.240.0060.00314.43
5.6.230.0060.00614.50
5.6.220.0060.00613.97
5.6.210.0080.04017.50
5.6.200.0070.04316.19
5.6.190.0040.02517.27
5.6.180.0280.02217.27
5.6.170.0150.02517.29
5.6.160.0060.02217.52
5.6.150.0040.02916.09
5.6.140.0140.03716.21
5.6.130.0080.04316.18
5.6.120.0060.02317.63
5.6.110.0040.04917.71
5.6.100.0110.04317.60
5.6.90.0100.02517.59
5.6.80.0050.02417.36
5.6.70.0030.01214.47
5.6.60.0070.00714.16
5.6.50.0070.00714.17
5.6.40.0190.00014.46
5.6.30.0090.00414.21
5.6.20.0030.00614.38
5.6.10.0070.01014.22
5.6.00.0030.01214.25
5.5.380.0000.00814.02
5.5.370.0090.00014.25
5.5.360.0040.01114.17
5.5.350.0050.04617.35
5.5.340.0050.04216.24
5.5.330.0100.01817.26
5.5.320.0580.02517.19
5.5.310.0130.02017.31
5.5.300.0040.02316.06
5.5.290.0090.04516.18
5.5.280.0130.04117.64
5.5.270.0100.03717.53
5.5.260.0090.04017.72
5.5.250.0090.04217.36
5.5.240.0000.04817.09
5.5.230.0000.01414.32
5.5.220.0000.01214.34
5.5.210.0080.00814.28
5.5.200.0090.00914.10
5.5.190.0030.01214.29
5.5.180.0030.01014.23
5.5.170.0040.01214.45
5.5.160.0030.00714.24
5.5.150.0040.00414.13
5.5.140.0070.00713.84
5.5.130.0060.00614.32
5.5.120.0100.00714.14
5.5.110.0030.01414.30
5.5.100.0050.00514.39
5.5.90.0000.01214.38
5.5.80.0070.00714.36
5.5.70.0090.00614.37
5.5.60.0040.01213.95
5.5.50.0110.00014.37
5.5.40.0140.00414.30
5.5.30.0140.00314.42
5.5.20.0030.00614.39
5.5.10.0070.00713.93
5.5.00.0060.01014.32
5.4.450.0350.03015.89
5.4.440.0370.02716.08
5.4.430.0300.03516.12
5.4.420.0330.02815.98
5.4.410.0280.03515.83
5.4.400.0320.03215.74
5.4.390.0400.03315.90
5.4.380.0350.02715.96
5.4.370.0350.03215.88
5.4.360.0410.02315.81
5.4.350.0300.03515.88
5.4.340.0420.03015.91
5.4.330.0000.00612.68
5.4.320.0330.03015.95
5.4.310.0250.03515.74
5.4.300.0370.02415.95
5.4.290.0330.02815.79
5.4.280.0320.03215.82
5.4.270.0310.03015.90
5.4.260.0340.02915.90
5.4.250.0300.03115.92
5.4.240.0400.02515.98
5.4.230.0280.03415.96
5.4.220.0370.02615.89
5.4.210.0360.02815.73
5.4.200.0330.03015.96
5.4.190.0330.03715.97
5.4.180.0470.02715.87
5.4.170.0450.02615.90
5.4.160.0420.03015.93
5.4.150.0430.03015.94
5.4.140.0450.03314.58
5.4.130.0360.03014.46
5.4.120.0360.03814.51
5.4.110.0390.02414.52
5.4.100.0340.02714.58
5.4.90.0340.02714.58
5.4.80.0330.02514.56
5.4.70.0100.02014.58
5.4.60.0160.02614.52
5.4.50.0040.03614.48
5.4.40.0070.02914.55
5.4.30.0030.03314.55
5.4.20.0190.02714.54
5.4.10.0180.02214.44
5.4.00.0070.00412.68

preferences:
53.03 ms | 400 KiB | 5 Q