3v4l.org

run code in 300+ PHP versions simultaneously
<?php putenv("TEST=$USER"); $test = getenv("TEST"); echo "TEST = " .$test." "; putenv("TEST1=+$test"); $test1 = getenv("TEST1"); echo "TEST1 = " .$test1;

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)
8.3.60.0090.00618.63
8.3.50.0160.00422.11
8.3.40.0120.00318.75
8.3.30.0110.00319.08
8.3.20.0040.00420.34
8.3.10.0080.00021.94
8.3.00.0000.00822.45
8.2.180.0110.00716.50
8.2.170.0150.00622.96
8.2.160.0090.00918.79
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.24
8.2.110.0000.00922.09
8.2.100.0060.00619.21
8.2.90.0040.00419.16
8.2.80.0050.00317.97
8.2.70.0040.00417.75
8.2.60.0000.00817.92
8.2.50.0000.00818.07
8.2.40.0080.00018.22
8.2.30.0000.00718.06
8.2.20.0050.00217.70
8.2.10.0000.00717.55
8.2.00.0070.00017.74
8.1.280.0180.00325.92
8.1.270.0030.00622.19
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.80
8.1.230.0090.00319.17
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0040.00417.41
8.1.180.0080.00318.10
8.1.170.0040.00418.66
8.1.160.0080.00021.98
8.1.150.0040.00418.63
8.1.140.0050.00317.43
8.1.130.0030.00317.82
8.1.120.0000.00717.39
8.1.110.0050.00317.39
8.1.100.0040.00417.43
8.1.90.0000.00717.41
8.1.80.0000.00817.48
8.1.70.0000.00717.29
8.1.60.0040.00417.59
8.1.50.0040.00417.54
8.1.40.0000.00817.43
8.1.30.0000.00817.61
8.1.20.0000.00817.58
8.1.10.0000.00817.38
8.1.00.0000.00717.41
8.0.300.0000.00818.77
8.0.290.0080.00017.05
8.0.280.0000.00718.31
8.0.270.0030.00317.21
8.0.260.0030.00316.75
8.0.250.0040.00416.90
8.0.240.0030.00316.92
8.0.230.0030.00317.03
8.0.220.0000.00616.93
8.0.210.0030.00316.95
8.0.200.0000.00617.00
8.0.190.0000.00817.06
8.0.180.0000.00817.00
8.0.170.0030.00516.88
8.0.160.0060.00317.01
8.0.150.0000.00716.91
8.0.140.0040.00416.86
8.0.130.0000.00513.39
8.0.120.0000.00816.91
8.0.110.0030.00616.91
8.0.100.0040.00416.79
8.0.90.0000.00716.89
8.0.80.0000.01716.86
8.0.70.0070.00017.01
8.0.60.0040.00416.75
8.0.50.0040.00416.77
8.0.30.0110.00917.03
8.0.20.0100.01017.40
8.0.10.0030.00417.07
8.0.00.0090.00916.64
7.4.330.0050.00015.00
7.4.320.0060.00016.48
7.4.300.0030.00316.41
7.4.290.0030.00316.54
7.4.280.0070.00016.31
7.4.270.0000.00816.54
7.4.260.0070.00316.55
7.4.250.0000.00716.36
7.4.240.0000.00816.52
7.4.230.0020.00516.27
7.4.220.0110.00716.34
7.4.210.0100.00716.52
7.4.200.0030.00316.41
7.4.190.0000.00716.59
7.4.160.0000.01616.53
7.4.150.0070.01717.40
7.4.140.0120.00917.86
7.4.130.0110.00716.63
7.4.120.0090.00716.36
7.4.110.0110.00616.36
7.4.100.0120.00616.43
7.4.90.0090.00916.33
7.4.80.0140.00419.39
7.4.70.0100.00616.41
7.4.60.0130.00316.35
7.4.50.0030.00616.41
7.4.40.0030.01322.77
7.4.30.0080.00816.55
7.4.00.0080.00914.75
7.3.330.0000.00513.13
7.3.320.0020.00213.30
7.3.310.0070.00016.32
7.3.300.0030.00316.39
7.3.290.0110.00416.37
7.3.280.0050.01016.42
7.3.270.0150.00917.40
7.3.260.0030.01316.64
7.3.250.0100.00816.31
7.3.240.0130.00616.71
7.3.230.0160.00716.41
7.3.210.0120.00316.29
7.3.200.0130.00316.33
7.3.190.0100.00716.36
7.3.180.0100.00616.30
7.3.170.0130.00416.35
7.3.160.0080.00816.50
7.3.120.0040.01114.96
7.3.110.0030.01414.74
7.3.100.0090.00014.83
7.3.90.0030.00714.86
7.3.80.0090.00314.63
7.3.70.0100.00714.79
7.3.60.0070.00314.86
7.3.50.0070.00714.99
7.3.40.0070.01114.54
7.3.30.0060.00614.74
7.3.20.0000.01116.55
7.3.10.0040.01116.78
7.3.00.0090.00616.51
7.2.330.0100.00716.41
7.2.320.0110.01116.68
7.2.310.0090.00916.29
7.2.300.0060.01116.40
7.2.290.0090.00616.49
7.2.250.0040.01514.92
7.2.240.0040.01515.32
7.2.230.0000.01815.20
7.2.220.0030.01015.16
7.2.210.0040.00715.18
7.2.200.0090.00314.93
7.2.190.0070.00714.96
7.2.180.0120.00315.05
7.2.170.0120.00614.82
7.2.00.0000.01219.18
7.1.330.0120.00415.77
7.1.320.0070.00415.88
7.1.310.0090.00016.11
7.1.300.0070.00715.84
7.1.290.0090.00915.82
7.1.280.0030.01315.61
7.1.270.0000.01115.79
7.1.260.0060.00915.77
7.1.100.0000.01118.15
7.1.70.0040.00417.31
7.1.60.0030.02019.82
7.1.50.0030.02116.79
7.1.00.0000.08022.51
7.0.200.0000.01016.46
7.0.140.0100.06722.00
7.0.60.0170.07019.81
7.0.50.0070.04017.90
7.0.40.0100.08720.04
7.0.30.0300.07720.04
7.0.20.0200.07020.09
7.0.10.0200.04320.16
7.0.00.0100.08720.08
5.6.280.0130.06321.02
5.6.210.0130.07320.50
5.6.200.0070.08018.09
5.6.190.0130.08320.35
5.6.180.3930.04320.64
5.6.170.0270.07720.55
5.6.160.0070.06720.70
5.6.150.0100.03718.17
5.6.140.0100.07318.21
5.6.130.0030.07718.11
5.6.120.0070.04321.14
5.6.110.0100.08021.04
5.6.100.0130.06321.12
5.6.90.0070.08020.95
5.6.80.0000.08720.50
5.6.70.2770.03320.32
5.5.350.0030.06720.43
5.5.340.0100.08017.95
5.5.330.0070.05020.12
5.5.320.0270.05720.29
5.5.310.0300.06320.17
5.5.300.0070.07017.97
5.5.290.0070.07318.00
5.5.280.0070.04020.86
5.5.270.0170.05720.86
5.5.260.0030.08720.73
5.5.250.0000.09020.58
5.5.240.0070.06020.25
5.4.450.0270.05319.48
5.4.440.0570.06019.47
5.4.430.0030.06019.49
5.4.420.0130.05019.60
5.4.410.0070.05719.39
5.4.400.1000.00018.53
5.4.390.1130.00018.69
5.4.380.0330.04718.61
5.4.370.0230.05718.77
5.4.360.0370.04018.49
5.4.350.0270.05718.70
5.4.340.0300.05318.78
5.4.320.0080.03912.45
5.4.310.0070.04812.45
5.4.300.0070.03612.45
5.4.290.0060.03712.45
5.4.280.0040.03712.35
5.4.270.0130.06718.77
5.4.260.0130.07319.04
5.4.250.0170.06718.93
5.4.240.0100.05318.70
5.4.230.0200.06318.92
5.4.220.0100.05318.87
5.4.210.0170.05718.94
5.4.200.0070.05719.00
5.4.190.0100.06718.92
5.4.180.0030.06018.64
5.4.170.0200.05018.87
5.4.160.0100.05018.64
5.4.150.0130.07318.88
5.4.140.0100.05316.28
5.4.130.0100.05016.26
5.4.120.0130.06016.30
5.4.110.0130.05016.36
5.4.100.0100.05016.20
5.4.90.0030.05316.20
5.4.80.0100.04716.33
5.4.70.0030.05316.21
5.4.60.0230.05316.46
5.4.50.0130.06316.39
5.4.40.0030.05316.55
5.4.30.0170.04716.25
5.4.20.0130.04716.32
5.4.10.0170.06716.39
5.4.00.0070.05315.68
5.3.290.0060.04012.80
5.3.280.0130.05014.60
5.3.270.0170.05014.65
5.3.260.0170.06714.46
5.3.250.0130.04314.64
5.3.240.0100.05014.46
5.3.230.0170.04314.51
5.3.220.0100.06314.26
5.3.210.0070.06314.27
5.3.200.0100.06014.45
5.3.190.0170.06314.41
5.3.180.0030.06314.42
5.3.170.0100.05714.58
5.3.160.0030.05314.25
5.3.150.0200.05314.57
5.3.140.0130.04314.57
5.3.130.0100.05714.40
5.3.120.0100.07714.33
5.3.110.0070.05314.33
5.3.100.0030.05713.92
5.3.90.0130.06714.01
5.3.80.0070.05713.79
5.3.70.0100.06314.06
5.3.60.0170.06013.93
5.3.50.0100.06313.91
5.3.40.0070.05713.80
5.3.30.0070.04713.78
5.3.20.0030.07313.46
5.3.10.0070.05313.66
5.3.00.0070.05013.68
5.2.170.0070.04011.04
5.2.160.0100.03311.16
5.2.150.0000.06711.08
5.2.140.0030.04311.14
5.2.130.0030.04310.98
5.2.120.0070.03710.88
5.2.110.0200.02711.10
5.2.100.0100.03711.11
5.2.90.0030.05710.86
5.2.80.0070.05711.12
5.2.70.0030.04311.10
5.2.60.0100.04311.09
5.2.50.0100.05311.02
5.2.40.0070.03711.00
5.2.30.0170.03710.86
5.2.20.0100.03310.97
5.2.10.0070.03710.69
5.2.00.0100.03310.89
5.1.60.0030.03710.04
5.1.50.0030.0379.95
5.1.40.0100.04010.00
5.1.30.0070.03310.40
5.1.20.0170.03310.11
5.1.10.0030.0379.95
5.1.00.0070.03310.26
5.0.50.0100.0338.45
5.0.40.0170.0278.29
5.0.30.0000.0438.09
5.0.20.0070.0308.27
5.0.10.0070.0238.12
5.0.00.0030.0438.21
4.4.90.0030.0205.79
4.4.80.0000.0235.74
4.4.70.0100.0175.89
4.4.60.0000.0235.76
4.4.50.0000.0275.75
4.4.40.0100.0275.77
4.4.30.0030.0235.80
4.4.20.0030.0305.83
4.4.10.0030.0205.82
4.4.00.0000.0375.79
4.3.110.0030.0235.71
4.3.100.0030.0205.70
4.3.90.0030.0205.80
4.3.80.0070.0405.67
4.3.70.0070.0175.75
4.3.60.0070.0175.68
4.3.50.0030.0205.65
4.3.40.0030.0375.62
4.3.30.0000.0235.62
4.3.20.0070.0275.62
4.3.10.0030.0275.62
4.3.00.0030.0207.09

preferences:
50.87 ms | 401 KiB | 5 Q