3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = array(1, 2, 3, 4); echo " <h2>question</h2> <p>".chr(96 + $row[0])."</p> <h2>answer</h2> <p>".chr(96 + $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)
8.3.60.0040.01118.43
8.3.50.0130.00321.99
8.3.40.0110.00718.70
8.3.30.0140.00018.84
8.3.20.0000.00720.16
8.3.10.0070.00022.00
8.3.00.0040.00422.39
8.2.180.0140.00416.63
8.2.170.0110.00322.96
8.2.160.0110.00420.84
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00917.75
8.2.110.0060.00319.38
8.2.100.0060.00617.91
8.2.90.0040.00418.28
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0040.00417.93
8.2.50.0070.00518.10
8.2.40.0040.00418.16
8.2.30.0070.00018.00
8.2.20.0040.00417.67
8.2.10.0040.00417.74
8.2.00.0030.00617.61
8.1.280.0140.00725.92
8.1.270.0090.00022.18
8.1.260.0060.00326.35
8.1.250.0050.00328.09
8.1.240.0090.00323.74
8.1.230.0110.00020.90
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0000.00917.23
8.1.180.0080.00418.10
8.1.170.0090.00018.71
8.1.160.0040.00422.01
8.1.150.0000.00818.68
8.1.140.0050.00217.45
8.1.130.0000.00717.89
8.1.120.0040.00417.52
8.1.110.0070.00017.30
8.1.100.0000.00717.37
8.1.90.0040.00417.40
8.1.80.0040.00417.47
8.1.70.0030.00317.45
8.1.60.0040.00417.52
8.1.50.0070.00017.52
8.1.40.0030.00617.55
8.1.30.0070.00017.53
8.1.20.0040.00417.57
8.1.10.0000.00717.60
8.1.00.0000.00717.50
8.0.300.0030.00319.69
8.0.290.0030.00516.75
8.0.280.0000.00718.43
8.0.270.0000.00717.17
8.0.260.0000.00816.82
8.0.250.0070.00016.88
8.0.240.0030.00416.88
8.0.230.0040.00416.91
8.0.220.0030.00316.90
8.0.210.0000.00716.77
8.0.200.0030.00316.98
8.0.190.0070.00016.82
8.0.180.0030.00316.88
8.0.170.0000.00716.83
8.0.160.0040.00416.82
8.0.150.0070.00016.73
8.0.140.0000.00716.87
8.0.130.0050.00013.38
8.0.120.0040.00416.84
8.0.110.0040.00416.88
8.0.100.0000.00716.75
8.0.90.0070.00016.91
8.0.80.0030.01216.84
8.0.70.0040.00416.76
8.0.60.0040.00416.84
8.0.50.0000.00717.00
8.0.30.0060.01517.05
8.0.20.0090.00917.26
8.0.10.0070.01016.90
8.0.00.0070.01116.82
7.4.330.0020.00215.06
7.4.320.0060.00016.51
7.4.300.0070.00016.57
7.4.290.0030.00316.39
7.4.280.0070.00016.64
7.4.270.0030.00316.64
7.4.260.0030.00316.50
7.4.250.0030.00316.47
7.4.240.0000.00716.52
7.4.230.0030.00316.62
7.4.220.0070.01216.50
7.4.210.0090.00716.56
7.4.200.0070.00016.63
7.4.190.0030.00316.48
7.4.160.0130.00316.48
7.4.150.0030.01316.95
7.4.140.0130.00617.18
7.4.130.0120.00616.46
7.4.120.0100.00916.46
7.4.110.0100.00716.44
7.4.100.0080.00916.29
7.4.90.0080.01016.34
7.4.80.0110.00917.36
7.4.70.0100.00816.46
7.4.60.0120.00516.40
7.4.50.0050.01016.41
7.4.40.0060.01018.48
7.4.30.0100.01016.28
7.4.20.0100.01016.39
7.4.10.0080.01116.52
7.4.00.0100.00915.90
7.3.330.0050.00013.10
7.3.320.0020.00213.00
7.3.310.0000.00716.36
7.3.300.0000.00716.25
7.3.290.0030.01116.20
7.3.280.0090.00716.18
7.3.270.0120.00616.79
7.3.260.0090.01016.27
7.3.250.0090.01216.29
7.3.240.0100.00816.24
7.3.230.0060.00916.29
7.3.220.0090.00716.32
7.3.210.0090.00916.31
7.3.200.0070.01017.35
7.3.190.0100.01116.22
7.3.180.0080.01016.29
7.3.170.0090.00916.34
7.3.160.0090.00816.29
7.3.150.0070.01016.36
7.3.140.0100.01216.27
7.3.130.0140.00316.14
7.3.120.0130.00515.80
7.3.110.0090.00715.75
7.3.100.0060.01015.63
7.3.90.0110.00815.77
7.3.80.0080.00815.76
7.3.70.0060.01015.69
7.3.60.0120.00415.84
7.3.50.0070.01015.78
7.3.40.0090.00815.28
7.3.30.0090.00915.30
7.3.20.0100.00916.44
7.3.10.0080.01016.37
7.3.00.0090.00816.47
7.2.340.0150.01316.46
7.2.330.0120.01316.59
7.2.320.0140.01016.50
7.2.310.0170.00916.49
7.2.300.0110.01116.58
7.2.290.0220.00316.40
7.2.280.0230.00416.53
7.2.270.0230.00916.56
7.2.260.0200.01316.52
7.2.250.0170.01316.59
7.2.240.0080.01616.04
7.2.230.0150.01016.02
7.2.220.0140.00916.05
7.2.210.0180.00516.00
7.2.200.0200.00616.12
7.2.190.0170.00916.03
7.2.180.0170.00916.02
7.2.170.0160.00715.48
7.2.160.0150.00815.54
7.2.150.0140.01116.78
7.2.140.0160.00916.62
7.2.130.0150.00616.75
7.2.120.0090.00916.76
7.2.110.0130.00616.67
7.2.100.0190.00716.61
7.2.90.0110.00816.64
7.2.80.0130.00716.69
7.2.70.0140.00716.64
7.2.60.0100.01116.67
7.2.50.0100.01016.80
7.2.40.0100.01116.77
7.2.30.0120.00716.77
7.2.20.0120.00716.76
7.2.10.0130.00916.50
7.2.00.0150.00716.44
7.1.330.0100.01015.69
7.1.320.0150.00615.62
7.1.310.0150.00915.61
7.1.300.0250.00715.63
7.1.290.0180.00915.55
7.1.280.0130.00615.63
7.1.270.0140.00715.58
7.1.260.0090.01015.64
7.1.250.0240.00815.62
7.1.240.0150.00715.54
7.1.230.0100.00915.54
7.1.220.0150.00815.68
7.1.210.0180.00715.60
7.1.200.0160.00815.62
7.1.190.0150.00615.58
7.1.180.0130.00915.54
7.1.170.0150.00615.54
7.1.160.0160.00715.25
7.1.150.0160.00415.20
7.1.140.0160.00815.50
7.1.130.0160.00715.61
7.1.120.0180.00815.61
7.1.110.0230.00715.70
7.1.100.0150.00715.66
7.1.90.0120.01115.65
7.1.80.0160.00915.58
7.1.70.0130.00815.87
7.1.60.0120.01016.03
7.1.50.0140.00916.00
7.1.40.0170.01015.97
7.1.30.0140.00715.96
7.1.20.0150.00915.90
7.1.10.0120.00715.94
7.1.00.0120.01115.94
7.0.330.0140.00815.14
7.0.320.0130.00715.20
7.0.310.0180.00815.24
7.0.300.0150.00815.18
7.0.290.0180.00615.21
7.0.280.0120.00615.24
7.0.270.0120.00915.25
7.0.260.0170.00615.19
7.0.250.0130.00915.30
7.0.240.0140.01015.22
7.0.230.0160.00815.19
7.0.220.0160.00615.26
7.0.210.0170.01215.21
7.0.200.0120.00715.66
7.0.190.0130.00915.68
7.0.180.0140.01015.64
7.0.170.0170.00615.77
7.0.160.0150.00815.74
7.0.150.0120.00815.67
7.0.140.0150.00915.63
7.0.130.0150.00715.75
7.0.120.0120.00915.72
7.0.110.0090.01015.59
7.0.100.0110.00815.63
7.0.90.0120.00615.58
7.0.80.0150.00515.65
7.0.70.0110.00715.57
7.0.60.0130.00715.60
7.0.50.0090.01315.68
7.0.40.0160.00515.32
7.0.30.0180.00815.34
7.0.20.0100.01015.30
7.0.10.0120.00815.37
7.0.00.0150.00615.27
5.6.400.0120.01315.07
5.6.390.0100.01115.04
5.6.380.0110.01114.93
5.6.370.0150.00814.95
5.6.360.0110.00914.87
5.6.350.0100.01115.00
5.6.340.0120.01014.92
5.6.330.0160.00815.07
5.6.320.0180.00715.11
5.6.310.0150.00914.92
5.6.300.0140.01515.88
5.6.290.0110.01815.95
5.6.280.0140.01415.98
5.6.270.0160.01316.01
5.6.260.0130.01316.00
5.6.250.0130.01515.91
5.6.240.0150.01215.89
5.6.230.0150.01015.93
5.6.220.0080.02015.99
5.6.210.0130.01315.96
5.6.200.0130.01715.94
5.6.190.0130.02015.96
5.6.180.0120.01215.90
5.6.170.0190.01516.01
5.6.160.0160.01315.83
5.6.150.0130.01515.94
5.6.140.0130.01715.97
5.6.130.0130.01415.88
5.6.120.0150.01015.84
5.6.110.0090.01515.93
5.6.100.0140.01415.75
5.6.90.0150.01216.00
5.6.80.0140.01115.68
5.6.70.0110.01315.73
5.6.60.0080.01515.72
5.6.50.0120.01115.70
5.6.40.0120.01315.73
5.6.30.0120.01515.75
5.6.20.0110.01715.67
5.6.10.0130.01215.68
5.6.00.0100.01615.74
5.5.380.0130.01215.13
5.5.370.0120.01415.11
5.5.360.0120.01515.11
5.5.350.0130.01515.13
5.5.340.0150.01215.20
5.5.330.0130.02215.10
5.5.320.0120.01615.17
5.5.310.0140.01315.13
5.5.300.0100.01615.15
5.5.290.0140.01615.08
5.5.280.0130.01615.19
5.5.270.0130.01415.17
5.5.260.0090.01515.06
5.5.250.0140.01515.08
5.5.240.0100.01415.13
5.5.230.0090.01215.08
5.5.220.0100.01615.22
5.5.210.0080.01715.16
5.5.200.0100.01615.04
5.5.190.0150.01115.05
5.5.180.0100.01615.06
5.5.170.0130.01114.74
5.5.160.0100.01315.12
5.5.150.0100.01515.11
5.5.140.0110.01515.08
5.5.130.0080.01415.07
5.5.120.0110.01315.09
5.5.110.0110.01115.11
5.5.100.0100.01315.09
5.5.90.0110.01415.06
5.5.80.0100.01115.10
5.5.70.0120.01215.03
5.5.60.0100.01415.00
5.5.50.0090.01615.07
5.5.40.0110.01515.02
5.5.30.0130.01115.15
5.5.20.0060.01815.20
5.5.10.0110.01315.21
5.5.00.0150.01115.17
5.4.450.0120.01313.48
5.4.440.0100.01313.53
5.4.430.0090.01313.48
5.4.420.0090.01213.52
5.4.410.0090.01113.47
5.4.400.0100.01013.41
5.4.390.0100.01213.40
5.4.380.0110.01213.37
5.4.370.0070.01413.47
5.4.360.0080.01413.41
5.4.350.0100.01013.42
5.4.340.0120.00813.45
5.4.330.0110.00612.30
5.4.320.0080.01413.44
5.4.310.0080.01313.44
5.4.300.0070.01313.42
5.4.290.0090.01113.49
5.4.280.0080.01113.48
5.4.270.0090.01413.47
5.4.260.0130.00913.46
5.4.250.0090.01313.45
5.4.240.0100.01013.42
5.4.230.0070.01213.38
5.4.220.0090.01213.42
5.4.210.0060.01513.39
5.4.200.0090.01213.42
5.4.190.0080.01113.41
5.4.180.0100.01013.35
5.4.170.0110.01213.40
5.4.160.0110.01113.44
5.4.150.0140.01213.40
5.4.140.0070.01313.24
5.4.130.0120.01613.26
5.4.120.0070.01413.31
5.4.110.0090.01213.25
5.4.100.0100.01113.24
5.4.90.0080.01413.29
5.4.80.0090.01213.27
5.4.70.0080.01413.29
5.4.60.0070.01213.30
5.4.50.0100.01113.27
5.4.40.0080.01213.27
5.4.30.0100.01313.28
5.4.20.0080.01313.30
5.4.10.0100.00913.27
5.4.00.0080.01013.23
5.3.290.0080.01513.40
5.3.280.0110.00913.38
5.3.270.0110.01113.40
5.3.260.0120.01013.35
5.3.250.0100.01013.39
5.3.240.0100.01113.36
5.3.230.0100.01513.35
5.3.220.0100.01213.37
5.3.210.0090.01113.34
5.3.200.0110.01613.34
5.3.190.0080.01313.38
5.3.180.0100.01213.39
5.3.170.0100.01113.40
5.3.160.0090.01313.41
5.3.150.0110.01713.42
5.3.140.0080.01313.42
5.3.130.0100.01313.41
5.3.120.0110.01313.40
5.3.110.0080.01213.39
5.3.100.0070.01213.35
5.3.90.0080.01213.37
5.3.80.0080.01213.31
5.3.70.0070.01313.31
5.3.60.0080.01213.36
5.3.50.0080.01413.34
5.3.40.0090.01113.38
5.3.30.0100.01113.38
5.3.20.0070.01313.35
5.3.10.0080.01113.28
5.3.00.0080.01113.34

preferences:
36.89 ms | 401 KiB | 5 Q