3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); function startSes() { $_SESSION['registered'][0] = 0; $_SESSION['registered'][1] = 0; } if (!isset($_SESSION['registered'])) startSes(); if ($_SESSION['registered'][0] == 0) { echo "Came here!<br />"; $_SESSION['registered'][0] = 1; } // later if (!isset($_SESSION['registered'])) startSes(); if ($_SESSION['registered'][0] == 0) { echo "Came here!<br />"; $_SESSION['registered'][0] = 1; }

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)
8.3.60.0060.01318.56
8.3.50.0070.01018.20
8.3.40.0150.00018.96
8.3.30.0110.00418.90
8.3.20.0080.00018.76
8.3.10.0080.00021.90
8.3.00.0080.00021.83
8.2.180.0130.00725.92
8.2.170.0090.00918.96
8.2.160.0110.00322.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.01017.88
8.2.110.0030.00621.18
8.2.100.0060.00617.91
8.2.90.0000.00817.63
8.2.80.0030.00617.97
8.2.70.0060.00317.93
8.2.60.0000.00918.22
8.2.50.0080.00018.10
8.2.40.0040.00419.42
8.2.30.0000.00720.57
8.2.20.0050.00318.09
8.2.10.0040.00418.14
8.2.00.0030.00519.57
8.1.280.0150.00625.92
8.1.270.0070.00024.66
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0030.00822.11
8.1.230.0110.00020.85
8.1.220.0000.00917.79
8.1.210.0050.00318.77
8.1.200.0080.00017.47
8.1.190.0060.00317.35
8.1.180.0040.00418.10
8.1.170.0000.00818.56
8.1.160.0060.00318.81
8.1.150.0050.00218.89
8.1.140.0070.00018.90
8.1.130.0000.00717.55
8.1.120.0040.00417.49
8.1.110.0070.00317.36
8.1.100.0040.00417.45
8.1.90.0040.00317.37
8.1.80.0050.00317.46
8.1.70.0070.00017.36
8.1.60.0120.00017.51
8.1.50.0080.00017.53
8.1.40.0040.00417.57
8.1.30.0030.00617.57
8.1.20.0030.01017.59
8.1.10.0050.00317.53
8.1.00.0060.00317.59
8.0.300.0040.00420.04
8.0.290.0000.00816.75
8.0.280.0000.00718.53
8.0.270.0030.00317.20
8.0.260.0030.00716.90
8.0.250.0040.00416.87
8.0.240.0000.00816.99
8.0.230.0040.00416.93
8.0.220.0070.00316.80
8.0.210.0030.00516.78
8.0.200.0000.00617.09
8.0.190.0040.00416.99
8.0.180.0000.00816.86
8.0.170.0000.00816.93
8.0.160.0000.00816.80
8.0.150.0000.00816.87
8.0.140.0000.00716.88
8.0.130.0050.00013.38
8.0.120.0050.00316.89
8.0.110.0080.00016.93
8.0.100.0080.00016.84
8.0.90.0000.00716.76
8.0.80.0070.01216.89
8.0.70.0020.00516.93
8.0.60.0030.00616.78
8.0.50.0000.00816.78
8.0.30.0110.00817.15
8.0.20.0130.00617.40
8.0.10.0080.00017.10
8.0.00.0100.01016.90
7.4.330.0050.00015.55
7.4.320.0030.00316.63
7.4.300.0030.00316.63
7.4.290.0090.00016.50
7.4.280.0000.00716.49
7.4.270.0070.00016.63
7.4.260.0000.00716.52
7.4.250.0030.00316.39
7.4.240.0030.00316.54
7.4.230.0030.00316.43
7.4.220.0070.00016.32
7.4.210.0050.01316.50
7.4.200.0070.00016.65
7.4.160.0100.00816.52
7.4.140.0100.01417.86
7.4.130.0110.00716.48
7.4.120.0110.01116.53
7.4.110.0090.01216.53
7.4.100.0110.01116.44
7.4.90.0140.00616.41
7.4.80.0070.01119.39
7.4.70.0060.01216.39
7.4.60.0070.01016.64
7.4.50.0130.01016.28
7.4.40.0090.00916.59
7.4.10.0080.00415.04
7.4.00.0050.01214.93
7.3.330.0000.00613.38
7.3.320.0030.00313.41
7.3.310.0030.00316.44
7.3.300.0000.00716.44
7.3.290.0030.00316.44
7.3.280.0080.00816.35
7.3.260.0120.00916.37
7.3.240.0130.00716.48
7.3.230.0100.01316.41
7.3.210.0040.01216.55
7.3.200.0090.00816.61
7.3.190.0120.00616.23
7.3.180.0030.01616.30
7.3.170.0130.00316.59
7.3.160.0160.00016.45
7.3.130.0120.00614.84
7.3.120.0060.01115.69
7.3.110.0080.01015.54
7.3.100.0030.01015.47
7.3.90.0030.00915.59
7.3.80.0050.00715.44
7.3.70.0030.01015.44
7.3.60.0070.00615.52
7.3.50.0070.00915.50
7.3.40.0040.00915.41
7.3.30.0090.00315.35
7.3.20.0060.00416.63
7.3.10.0080.00516.53
7.3.00.0080.00816.78
7.2.330.0140.00316.79
7.2.320.0110.01116.81
7.2.310.0000.02316.81
7.2.300.0070.01016.66
7.2.290.0040.01716.45
7.2.260.0030.01415.08
7.2.250.0080.01115.19
7.2.240.0060.00815.55
7.2.230.0090.00615.58
7.2.220.0090.00615.71
7.2.210.0080.00715.72
7.2.200.0060.00815.72
7.2.190.0050.01115.67
7.2.180.0100.00515.57
7.2.170.0080.00815.67
7.2.160.0060.01015.99
7.2.150.0090.00417.00
7.2.140.0050.00916.93
7.2.130.0090.00716.96
7.2.120.0060.00517.05
7.2.110.0080.00817.07
7.2.100.0060.00816.91
7.2.90.1910.00316.21
7.2.80.1400.01016.17
7.2.70.1560.00916.33
7.2.60.1290.01216.39
7.2.50.0510.00916.20
7.2.40.1340.00716.36
7.2.30.1730.00616.09
7.2.20.1130.00716.27
7.2.10.1370.01016.15
7.2.00.1660.00616.24
7.1.330.0020.01116.17
7.1.320.0080.00716.24
7.1.310.0050.00816.10
7.1.300.0030.00916.17
7.1.290.0060.00516.12
7.1.280.0070.00716.23
7.1.270.0060.00716.23
7.1.260.0040.00916.16
7.1.250.0060.00516.34
7.1.240.0080.00016.06
7.1.230.0030.01015.89
7.1.220.0140.00015.74
7.1.210.2190.00514.73
7.1.200.1990.00814.86
7.1.190.1930.00414.85
7.1.180.2280.00314.91
7.1.170.2440.01014.92
7.1.160.2350.00714.72
7.1.150.2340.00614.71
7.1.140.1830.00914.74
7.1.130.2260.00714.92
7.1.120.1990.00914.78
7.1.110.2300.00814.84
7.1.100.2310.00214.70
7.1.90.2670.01114.66
7.1.80.3040.00714.68
7.1.70.2680.00614.77
7.1.60.2310.01323.62
7.1.50.3880.01023.83
7.1.40.3620.01723.84
7.1.30.3740.01123.68
7.1.20.4000.00823.86
7.1.10.4000.01314.65
7.1.00.2260.00814.77
7.0.330.0060.00615.46
7.0.320.0040.00415.34
7.0.310.0030.00615.53
7.0.300.0030.00515.60
7.0.290.0030.00715.32
7.0.280.0070.01015.43
7.0.270.0070.00415.05
7.0.260.0030.01015.31
7.0.250.0030.00715.58
7.0.240.0090.00315.24
7.0.230.0040.00815.51
7.0.220.0030.00915.37
7.0.210.0030.00915.32
7.0.200.0040.01315.34
7.0.190.0110.00515.55
7.0.180.0070.00715.25
7.0.170.0030.01015.42
7.0.160.0030.01015.45
7.0.150.0110.00315.48
7.0.140.0000.01415.13
7.0.130.0070.00315.21
7.0.120.0070.00715.61
7.0.110.0060.00315.49
7.0.100.0140.00015.43
7.0.90.0120.00315.55
7.0.80.0070.00715.14
7.0.70.0040.01115.30
7.0.60.0030.00715.38
7.0.50.0030.00715.47
7.0.40.0070.00713.10
7.0.30.0070.00313.59
7.0.20.0110.00413.59
7.0.10.0060.00813.51
7.0.00.0060.00313.34
5.6.400.0040.01114.56
5.6.390.0060.00814.67
5.6.380.0060.00614.45
5.6.370.0080.00314.36
5.6.360.0040.00714.77
5.6.350.0040.00414.69
5.6.340.0070.00414.41
5.6.330.0040.00814.82
5.6.320.0080.00414.43
5.6.310.0070.00714.48
5.6.300.0000.00814.32
5.6.290.0070.00714.40
5.6.280.0060.00914.68
5.6.270.0070.00314.16
5.6.260.0070.00714.40
5.6.250.0070.00714.61
5.6.240.0030.01014.29
5.6.230.0000.01314.70
5.6.220.0040.00714.49
5.6.210.0040.00714.38
5.6.200.0000.01414.57
5.6.190.0060.00914.20
5.6.180.0030.01014.24
5.6.170.0000.01114.52
5.6.160.0000.01414.52
5.6.150.0070.00714.47
5.6.140.0140.00014.65
5.6.130.0060.00314.43
5.6.120.0110.00414.47
5.6.110.0030.00614.38
5.6.100.0070.00714.31
5.6.90.0070.00714.55
5.6.80.0070.00714.37
5.6.70.0040.01414.58
5.6.60.0040.00714.55
5.6.50.0070.01114.22
5.6.40.0000.01114.47
5.6.30.0070.00714.23
5.6.20.0070.00714.15
5.6.10.0040.00714.47
5.6.00.0130.00314.09

preferences:
73.02 ms | 400 KiB | 5 Q