3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tag = 'a'; for($i = 0; $i < 1e6; $i++) $a = "ahoj $tag lamo";

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)
8.3.40.0070.05318.58
8.3.30.0000.06118.84
8.3.20.0030.02820.04
8.3.10.0060.02623.48
8.3.00.0030.02920.82
8.2.170.0100.06818.89
8.2.160.0130.04622.96
8.2.150.0130.03324.18
8.2.140.0000.04324.66
8.2.130.0130.05726.16
8.2.120.0030.03822.27
8.2.110.0100.05422.17
8.2.100.0030.05117.66
8.2.90.0030.04719.11
8.2.80.0030.04918.04
8.2.70.0070.04717.50
8.2.60.0060.04517.80
8.2.50.0070.04218.07
8.2.40.0070.04318.22
8.2.30.0030.05018.04
8.2.20.0000.05217.66
8.2.10.0030.04717.64
8.2.00.0030.04717.64
8.1.270.0070.03723.96
8.1.260.0070.02726.35
8.1.250.0030.03828.09
8.1.240.0030.06123.84
8.1.230.0100.03118.98
8.1.220.0030.04817.79
8.1.210.0100.04018.77
8.1.200.0030.04517.23
8.1.190.0000.04617.53
8.1.180.0100.04218.10
8.1.170.0100.03618.52
8.1.160.0000.04521.88
8.1.150.0030.04618.61
8.1.140.0070.04017.25
8.1.130.0040.03917.75
8.1.120.0030.04317.32
8.1.110.0000.05017.27
8.1.100.0030.04817.39
8.1.90.0030.04617.27
8.1.80.0000.04317.40
8.1.70.0000.04817.27
8.1.60.0030.05717.49
8.1.50.0030.05717.34
8.1.40.0100.05117.35
8.1.30.0030.05617.42
8.1.20.0070.05517.56
8.1.10.0030.05717.52
8.1.00.0110.06617.39
8.0.300.0030.03518.77
8.0.290.0100.04217.04
8.0.280.0000.04918.48
8.0.270.0000.04917.24
8.0.260.0030.04216.80
8.0.250.0000.04716.95
8.0.240.0070.04416.98
8.0.230.0000.04516.84
8.0.220.0030.04116.75
8.0.210.0070.04316.79
8.0.200.0000.04416.83
8.0.190.0100.05216.96
8.0.180.0030.05516.89
8.0.170.0000.05816.93
8.0.160.0000.05816.94
8.0.150.0030.05616.75
8.0.140.0000.05816.85
8.0.130.0000.05813.27
8.0.120.0000.05916.90
8.0.110.0070.05216.78
8.0.100.0000.05916.84
8.0.90.0060.05216.73
8.0.80.0090.07316.86
8.0.70.0040.05516.83
8.0.60.0030.05516.73
8.0.50.0070.05216.90
8.0.30.0100.06317.10
8.0.20.0130.06817.40
8.0.10.0000.05916.81
8.0.00.0100.06816.68
7.4.330.0030.04915.00
7.4.320.0000.05216.45
7.4.300.0030.04916.51
7.4.290.0030.05716.39
7.4.280.0070.05316.32
7.4.270.0000.06216.53
7.4.260.0030.05716.54
7.4.250.0000.06216.51
7.4.240.0030.05716.45
7.4.230.0000.06016.55
7.4.220.0130.11316.54
7.4.210.0070.06316.51
7.4.200.0030.05616.55
7.4.190.0000.06116.57
7.4.160.0070.06616.50
7.4.150.0030.06817.40
7.4.140.0070.07517.86
7.4.130.0110.06516.41
7.4.120.0130.07416.39
7.4.110.0120.06416.36
7.4.100.0070.06816.62
7.4.90.0060.06616.54
7.4.80.0060.08119.39
7.4.70.0150.09316.48
7.4.60.0070.06316.28
7.4.50.0030.04216.20
7.4.40.0100.07322.77
7.4.30.0030.07016.57
7.4.00.0130.06814.76
7.3.330.0030.05613.10
7.3.320.0030.06613.32
7.3.310.0000.06016.41
7.3.300.0030.05916.30
7.3.290.0030.06616.34
7.3.280.0080.06816.28
7.3.270.0190.09717.40
7.3.260.0100.06616.50
7.3.250.0100.06816.31
7.3.240.0100.07016.36
7.3.230.0120.06416.58
7.3.210.0070.07316.53
7.3.200.0100.09719.39
7.3.190.0070.06916.66
7.3.180.0060.06716.25
7.3.170.0030.07216.37
7.3.160.0130.06216.51
7.3.120.0100.07214.94
7.3.00.0030.08116.45
7.2.330.0100.07216.68
7.2.320.0140.07716.42
7.2.310.0140.07716.71
7.2.300.0070.07316.69
7.2.290.0100.10616.42
7.2.130.0070.08616.96
7.2.120.0130.08016.86
7.2.110.0030.08316.70
7.2.100.0070.08716.94
7.2.90.0070.08217.09
7.2.80.0070.07817.09
7.2.70.0030.08217.07
7.2.60.0080.06316.98
7.2.50.0080.05816.94
7.2.40.0030.08416.85
7.2.30.0070.08416.79
7.2.20.0030.09416.98
7.2.10.0030.08316.86
7.2.00.0050.06218.13
7.1.250.0030.12715.46
7.1.240.0100.11715.65
7.1.230.0130.13315.52
7.1.220.0030.14215.76
7.1.210.0030.13715.52
7.1.200.0060.08415.77
7.1.190.0100.11615.79
7.1.180.0070.14715.67
7.1.170.0100.14515.56
7.1.160.0070.13215.85
7.1.150.0100.12415.66
7.1.140.0130.13415.73
7.1.130.0100.13415.41
7.1.120.0070.12415.85
7.1.110.0030.13615.69
7.1.100.0050.08916.86
7.1.90.0070.12115.69
7.1.80.0000.13615.55
7.1.70.0060.07916.23
7.1.60.0100.10517.52
7.1.50.0020.09016.12
7.1.40.0030.12115.64
7.1.30.0070.11815.63
7.1.20.0000.12715.50
7.1.10.0030.12415.64
7.1.00.0100.12718.97
7.0.330.0070.12715.18
7.0.320.0030.14115.27
7.0.310.0070.12415.47
7.0.300.0030.13315.22
7.0.290.0000.12615.49
7.0.280.0000.12415.39
7.0.270.0030.13415.08
7.0.260.0000.14115.29
7.0.250.0070.12215.59
7.0.240.0030.13115.32
7.0.230.0070.12015.20
7.0.220.0000.12915.26
7.0.210.0000.12615.46
7.0.200.0070.08515.94
7.0.190.0030.12415.27
7.0.180.0000.12515.24
7.0.170.0070.12215.08
7.0.160.0000.12615.09
7.0.150.0000.12615.27
7.0.140.0070.12618.70
7.0.130.0100.12115.32
7.0.120.0070.12115.48
7.0.110.0070.12715.37
7.0.100.0100.11715.36
7.0.90.0030.12215.12
7.0.80.0030.11815.20
7.0.70.0070.12015.23
7.0.60.0030.10317.63
7.0.50.0070.11316.68
7.0.40.0030.13016.64
7.0.30.0120.10516.86
7.0.20.0210.11916.77
7.0.10.0150.13116.67
7.0.00.0080.12016.84
5.6.380.0030.21114.60
5.6.370.0130.19014.29
5.6.360.0030.22613.76
5.6.350.0070.20314.56
5.6.340.0070.21614.46
5.6.330.0070.21914.07
5.6.320.0030.22614.57
5.6.310.0030.21614.17
5.6.300.0070.20813.93
5.6.290.0030.21714.09
5.6.280.0030.20117.42
5.6.270.0030.20814.27
5.6.260.0070.20614.23
5.6.250.0030.21214.61
5.6.240.0030.20114.29
5.6.230.0030.22514.53
5.6.220.0000.23014.29
5.6.210.0070.17517.40
5.6.200.0070.16616.32
5.6.190.0050.16217.28
5.6.180.0050.18517.37
5.6.170.0120.19317.37
5.6.160.0050.16217.37
5.6.150.0020.20216.26
5.6.140.0030.16416.36
5.6.130.0080.19716.16
5.6.120.0080.15717.49
5.6.110.0080.16617.66
5.6.100.0080.18917.52
5.6.90.0130.18417.65
5.6.80.0070.16317.34
5.6.70.0200.19317.39
5.6.60.0030.21114.27
5.6.50.0070.23714.07
5.6.40.0070.19714.14
5.6.30.0070.21014.35
5.6.20.0030.20214.34
5.6.10.0100.21114.11
5.6.00.0030.20514.45
5.5.380.0000.20511.20
5.5.370.0030.20011.27
5.5.360.0000.21011.11
5.5.350.0030.18615.75
5.5.340.0050.17014.55
5.5.330.0100.19815.75
5.5.320.0180.18515.55
5.5.310.0180.18215.72
5.5.300.0020.16814.54
5.5.290.0070.19514.52
5.5.280.0040.16216.02
5.5.270.0020.19115.83
5.5.260.0050.18715.89
5.5.250.0050.19515.88
5.5.240.0080.16115.65
5.5.230.0000.22810.84
5.5.220.0030.23611.17
5.5.210.0030.21510.95
5.5.200.0030.20810.99
5.5.190.0030.21511.13
5.5.180.0070.20810.64
5.5.170.0030.21310.96
5.5.160.0030.20511.16
5.5.150.0030.20810.64
5.5.140.0030.21910.77
5.5.130.0030.24610.86
5.5.120.0070.20810.99
5.5.110.0030.22310.81
5.5.100.0030.21210.94
5.5.90.0000.23611.15
5.5.80.0030.23011.09
5.5.70.0100.21211.04
5.5.60.0070.19911.10
5.5.50.0000.21510.88
5.5.40.0030.20910.93
5.5.30.0000.21610.81
5.5.20.0030.21211.15
5.5.10.0090.21810.82
5.5.00.0000.22711.00
5.4.450.0250.16415.08
5.4.440.0420.20515.31
5.4.430.0450.20115.25
5.4.420.0100.18715.28
5.4.410.0320.18415.23
5.4.400.0420.18114.87
5.4.390.0430.19615.15
5.4.380.0180.19714.73
5.4.370.0130.19214.67
5.4.360.0120.19314.85
5.4.350.0150.18314.69
5.4.340.0170.18014.60
5.4.330.0070.20910.96
5.4.320.0040.16911.64
5.4.310.0060.16811.49
5.4.300.0050.16611.67
5.4.290.0050.16811.56
5.4.280.0070.17711.59
5.4.270.0050.16211.57
5.4.260.0060.17411.60
5.4.250.0070.17311.64
5.4.240.0040.17411.62
5.4.230.0070.16611.42
5.4.220.0080.16711.46
5.4.210.0050.17211.57
5.4.200.0060.16511.45
5.4.190.0070.16911.60
5.4.180.0040.17211.56
5.4.170.0130.19111.49
5.4.160.0100.19011.59
5.4.150.0110.21711.56
5.4.140.0150.23811.46
5.4.130.0090.20111.42
5.4.120.0090.20211.53
5.4.110.0120.19011.46
5.4.100.0110.18911.36
5.4.90.0110.19611.32
5.4.80.0070.20411.32
5.4.70.0100.19811.28
5.4.60.0100.21911.28
5.4.50.0110.21311.38
5.4.40.0120.20011.37
5.4.30.0100.19211.42
5.4.20.0060.19411.45
5.4.10.0100.19011.50
5.4.00.0080.19011.19
5.3.290.0080.17311.64
5.3.280.0040.17911.55
5.3.270.0040.20311.54
5.3.260.0070.21811.54
5.3.250.0100.19811.58
5.3.240.0110.19311.51
5.3.230.0140.22711.41
5.3.220.0070.19011.37
5.3.210.0110.19411.50
5.3.200.0130.21211.45
5.3.190.0120.21211.48
5.3.180.0150.20111.54
5.3.170.0070.19311.56
5.3.160.0070.20411.55
5.3.150.0080.20111.53
5.3.140.0120.21111.49
5.3.130.0120.21411.50
5.3.120.0100.20311.54
5.3.110.0110.20411.50
5.3.100.0120.22011.18
5.3.90.0100.19611.31
5.3.80.0070.19611.15
5.3.70.0090.21111.14
5.3.60.0120.20311.12
5.3.50.0100.19911.11
5.3.40.0080.21011.11
5.3.30.0140.21911.13
5.3.20.0080.20710.90
5.3.10.0080.19610.82
5.3.00.0110.23610.87
5.2.170.0070.2289.57
5.2.160.0070.2409.57
5.2.150.0080.2539.56
5.2.140.0090.2739.56
5.2.130.0070.2719.54
5.2.120.0070.2739.54
5.2.110.0080.2559.55
5.2.100.0070.2549.55
5.2.90.0110.2239.54
5.2.80.0090.2629.54
5.2.70.0050.2589.54
5.2.60.0080.2709.52
5.2.50.0100.2699.50
5.2.40.0070.2479.49
5.2.30.0080.2579.48
5.2.20.0080.2959.47
5.2.10.0090.2739.44
5.2.00.0070.2799.37
5.1.60.0070.5149.01
5.1.50.0070.5219.01
5.1.40.0050.4559.01
5.1.30.0070.4529.18
5.1.20.0090.5019.19
5.1.10.0050.4839.05
5.1.00.0100.4489.05
5.0.50.0060.7028.29
5.0.40.0080.7348.22
5.0.30.0080.6658.13
5.0.20.0050.7068.13
5.0.10.0080.6988.11
5.0.00.0080.7228.11
4.4.90.0070.7247.37
4.4.80.0070.7087.36
4.4.70.0050.7197.36
4.4.60.0060.6907.36
4.4.50.0040.6947.37
4.4.40.0080.7427.33
4.4.30.0070.6977.36
4.4.20.0050.6887.40
4.4.10.0040.6837.40
4.4.00.0070.6857.36
4.3.110.0020.7077.31
4.3.100.0040.7247.31
4.3.90.0060.6917.30
4.3.80.0050.7497.27
4.3.70.0060.7187.29
4.3.60.0130.6747.29
4.3.50.0050.6867.29
4.3.40.0070.7207.25
4.3.30.0020.6776.65
4.3.20.0030.7066.64
4.3.10.0080.5936.62
4.3.00.0070.49212.22

preferences:
40.6 ms | 400 KiB | 5 Q