3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = array(1, 2, 3, 4); echo " <h2>question</h2> <p>".chr(2262 + $row[0])."</p> <h2>answer</h2> <p>".chr(64 + $row[1])."</p>";

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)
8.3.60.0090.00618.29
8.3.50.0110.00821.91
8.3.40.0070.00718.67
8.3.30.0090.00619.25
8.3.20.0040.00420.16
8.3.10.0050.00321.91
8.3.00.0080.00019.56
8.2.180.0000.01718.26
8.2.170.0070.00722.96
8.2.160.0100.00319.27
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0030.01426.16
8.2.120.0030.00520.39
8.2.110.0070.01022.27
8.2.100.0060.00619.40
8.2.90.0000.00719.35
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0000.00718.16
8.2.50.0000.00818.07
8.2.40.0060.00318.18
8.2.30.0000.01018.17
8.2.20.0040.00417.67
8.2.10.0000.00818.00
8.2.00.0040.00417.55
8.1.280.0070.01125.92
8.1.270.0090.00022.15
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0100.01023.88
8.1.230.0040.00818.97
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0030.00617.25
8.1.190.0080.00017.53
8.1.180.0050.00318.53
8.1.170.0060.00318.65
8.1.160.0000.00722.05
8.1.150.0070.00018.82
8.1.140.0040.00417.40
8.1.130.0040.00417.74
8.1.120.0040.00417.38
8.1.110.0000.00717.32
8.1.100.0030.00617.39
8.1.90.0030.00517.51
8.1.80.0000.00717.41
8.1.70.0040.00417.39
8.1.60.0100.00017.59
8.1.50.0040.00417.41
8.1.40.0020.00517.39
8.1.30.0030.00717.68
8.1.20.0000.00817.55
8.1.10.0000.00717.43
8.1.00.0080.00017.48
8.0.300.0030.00518.77
8.0.290.0000.00817.18
8.0.280.0030.00318.35
8.0.270.0000.00717.13
8.0.260.0030.00717.22
8.0.250.0030.00316.86
8.0.240.0030.00316.91
8.0.230.0030.00316.94
8.0.220.0040.00416.93
8.0.210.0000.01016.79
8.0.200.0030.00316.98
8.0.190.0040.00416.99
8.0.180.0000.00716.90
8.0.170.0040.00416.86
8.0.160.0030.00616.80
8.0.150.0070.00316.84
8.0.140.0050.00316.82
8.0.130.0000.00613.25
8.0.120.0030.00516.85
8.0.110.0050.00316.84
8.0.100.0040.00416.90
8.0.90.0040.00416.91
8.0.80.0090.01216.88
8.0.70.0040.00416.93
8.0.60.0030.00516.87
8.0.50.0020.00516.72
8.0.30.0120.01117.09
8.0.20.0070.01217.40
8.0.10.0040.00416.96
8.0.00.0050.01116.74
7.4.330.0020.00215.26
7.4.320.0070.00016.45
7.4.300.0000.00616.51
7.4.290.0040.00716.59
7.4.280.0040.00416.39
7.4.270.0030.00316.43
7.4.260.0030.00316.38
7.4.250.0060.00316.45
7.4.240.0000.00716.53
7.4.230.0000.00716.25
7.4.220.0070.01016.33
7.4.210.0100.01016.61
7.4.200.0040.00416.29
7.4.160.0060.00916.39
7.4.150.0070.01417.40
7.4.140.0130.00517.86
7.4.130.0080.01116.42
7.4.120.0120.00416.43
7.4.110.0070.01016.70
7.4.100.0100.01316.45
7.4.90.0110.01116.47
7.4.80.0110.01119.39
7.4.70.0090.00916.45
7.4.60.0080.00816.28
7.4.50.0000.00516.31
7.4.40.0080.01416.48
7.4.30.0100.01316.56
7.4.00.0030.01315.00
7.3.330.0030.00313.14
7.3.320.0020.00213.11
7.3.310.0000.00716.40
7.3.300.0060.00016.30
7.3.290.0020.01216.19
7.3.280.0110.00616.21
7.3.270.0100.00717.40
7.3.260.0090.00916.26
7.3.250.0110.00616.53
7.3.240.0110.00616.21
7.3.230.0160.00616.44
7.3.210.0070.01016.43
7.3.200.0070.01019.39
7.3.190.0160.00016.44
7.3.180.0130.00316.47
7.3.170.0130.00316.61
7.3.160.0100.00616.54
7.3.120.0030.01214.79
7.3.110.0110.00314.94
7.3.100.0000.01315.03
7.3.90.0100.00714.78
7.3.80.0000.01514.50
7.3.70.0000.01314.63
7.3.60.0030.01114.93
7.3.50.0100.00314.86
7.3.40.0070.00314.89
7.3.30.0070.00714.85
7.3.20.0090.00316.82
7.3.10.0130.00016.52
7.3.00.0080.00816.40
7.2.330.0100.00716.81
7.2.320.0090.00916.70
7.2.310.0130.01016.84
7.2.300.0070.01016.61
7.2.290.0000.01716.56
7.2.250.0070.01115.02
7.2.240.0130.00315.08
7.2.230.0000.01615.04
7.2.220.0030.00714.94
7.2.210.0080.00815.08
7.2.200.0110.00415.27
7.2.190.0130.00014.69
7.2.180.0000.01115.00
7.2.170.0050.00514.97
7.2.60.0000.01516.99
7.2.00.0040.01119.52
7.1.330.0080.00815.88
7.1.320.0000.01015.72
7.1.310.0100.00715.73
7.1.300.0090.00615.76
7.1.290.0070.00715.77
7.1.280.0040.00815.82
7.1.270.0040.00715.69
7.1.260.0000.01515.72
7.1.200.0000.00815.61
7.1.100.0080.00018.13
7.1.70.0070.00317.25
7.1.60.0100.01319.19
7.1.50.0130.01017.09
7.1.00.0000.08022.43
7.0.200.0040.00816.64
7.0.140.0070.06322.13
7.0.60.0170.06020.02
7.0.50.0100.07317.82
7.0.40.0070.04320.02
7.0.30.0270.05320.01
7.0.20.0270.04320.16
7.0.10.0130.05720.31
7.0.00.0070.04020.18
5.6.280.0030.07320.88
5.6.210.0170.06720.60
5.6.200.0030.08318.22
5.6.190.0070.06320.41
5.6.180.0300.07720.39
5.6.170.0300.06720.44
5.6.160.0000.05020.40
5.6.150.0000.04318.12
5.6.140.0070.03718.12
5.6.130.0030.04018.17
5.6.120.0030.04721.03
5.6.110.0030.05020.98
5.6.100.0170.06720.97
5.6.90.0100.08020.99
5.6.80.0100.06320.36
5.5.350.3970.04320.37
5.5.340.0200.03718.01
5.5.330.0070.06020.21
5.5.320.0330.08020.31
5.5.310.0300.07720.30
5.5.300.0100.07718.00
5.5.290.0070.08317.89
5.5.280.0130.04020.84
5.5.270.0030.07020.86
5.5.260.0100.07020.88
5.5.250.0030.07720.68
5.5.240.0070.08320.13
5.4.450.0300.06019.49
5.4.440.0600.06019.49
5.4.430.0100.05319.54
5.4.420.0130.05719.49
5.4.410.0300.05319.24
5.4.400.0230.04019.02
5.4.390.0030.05719.18
5.4.380.0230.04718.52
5.4.370.0230.05018.50
5.4.360.0270.04018.70
5.4.350.0100.03713.65
5.4.340.0130.04013.63
5.4.320.0230.03714.08
5.4.310.0200.03014.20
5.4.300.0170.03314.16
5.4.290.0030.05314.08
5.4.280.0170.04013.97
5.4.270.0130.03314.01
5.4.260.0030.04313.98
5.4.250.0130.03314.16
5.4.240.0130.03713.99
5.4.230.0200.03014.20
5.4.220.0030.04314.01
5.4.210.0230.03314.04
5.4.200.0070.04314.00
5.4.190.0070.04714.02
5.4.180.0100.04014.20
5.4.170.0130.03714.15
5.4.160.0170.04314.05
5.4.150.0100.04714.01
5.4.140.0200.04013.77
5.4.130.0230.04313.88
5.4.120.0130.05013.70
5.4.110.0170.04713.69
5.4.100.0070.04013.64
5.4.90.0130.03313.65
5.4.80.0200.04013.61
5.4.70.0200.04313.78
5.4.60.0170.03713.65
5.4.50.0170.04013.83
5.4.40.0230.04013.82
5.4.30.0130.03313.62
5.4.20.0070.04313.59
5.4.10.0170.04713.62
5.4.00.0170.03013.11
5.3.290.0200.03014.55
5.3.280.0230.03714.60
5.3.270.0100.04714.54
5.3.260.0100.05714.52
5.3.250.0070.04314.45
5.3.240.0100.04014.50
5.3.230.0100.04014.60
5.3.220.0130.04014.58
5.3.210.0100.04014.57
5.3.200.0170.03014.57
5.3.190.0130.04014.57
5.3.180.0100.03714.42
5.3.170.0100.04014.57
5.3.160.0170.03014.38
5.3.150.0100.04314.55
5.3.140.0170.03714.38
5.3.130.0130.04314.55
5.3.120.0100.04014.57
5.3.110.0070.04314.39
5.3.100.0130.03314.04
5.3.90.0130.03713.88
5.3.80.0170.04313.97
5.3.70.0130.03713.96
5.3.60.0100.03713.98
5.3.50.0070.04013.77
5.3.40.0070.04013.79
5.3.30.0100.03713.81
5.3.20.0130.03713.55
5.3.10.0230.04313.50
5.3.00.0170.03313.58
5.2.170.0100.03710.99
5.2.160.0130.02711.05
5.2.150.0130.02711.05
5.2.140.0070.03011.11
5.2.130.0070.03311.10
5.2.120.0100.02711.12
5.2.110.0070.03011.18
5.2.100.0070.03010.96
5.2.90.0130.02711.04
5.2.80.0100.03011.11
5.2.70.0070.03010.97
5.2.60.0070.03311.12
5.2.50.0100.03310.88
5.2.40.0100.02711.04
5.2.30.0030.03310.95
5.2.20.0070.03010.88
5.2.10.0130.02310.85
5.2.00.0100.02710.70
5.1.60.0100.0209.91
5.1.50.0070.0239.99
5.1.40.0070.0239.97
5.1.30.0070.02310.22
5.1.20.0000.03310.29
5.1.10.0100.0239.99
5.1.00.0070.0239.99
5.0.50.0070.0178.62
5.0.40.0000.0238.47
5.0.30.0030.0338.14
5.0.20.0030.0208.12
5.0.10.0070.0208.32
5.0.00.0030.0338.29
4.4.90.0000.0175.94
4.4.80.0070.0135.85
4.4.70.0030.0175.85
4.4.60.0000.0205.76
4.4.50.0030.0135.77
4.4.40.0030.0235.88
4.4.30.0070.0135.84
4.4.20.0030.0175.89
4.4.10.0030.0175.99
4.4.00.0030.0275.83
4.3.110.0100.0105.70
4.3.100.0100.0105.78
4.3.90.0030.0135.70
4.3.80.0000.0275.70
4.3.70.0030.0175.78
4.3.60.0070.0175.80
4.3.50.0100.0105.72
4.3.40.0030.0235.70
4.3.30.0000.0174.61
4.3.20.0000.0174.51
4.3.10.0030.0134.46
4.3.00.0170.0136.35

preferences:
57.28 ms | 404 KiB | 6 Q