3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = array(1, 2, 3, 4); echo " <h2>question</h2> <p>".chr(64 + $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)
8.4.120.0110.00723.79
8.4.110.0160.00418.92
8.4.100.0080.01018.67
8.4.90.0120.00720.52
8.4.80.0140.00619.31
8.4.70.0110.00818.02
8.4.60.0120.00818.96
8.4.50.0120.00719.56
8.4.40.0110.00719.34
8.4.30.0110.00717.79
8.4.20.0040.00417.64
8.4.10.0170.01217.69
8.3.250.0120.00819.12
8.3.240.0110.00816.35
8.3.230.0130.00616.23
8.3.220.0100.00718.93
8.3.210.0100.00316.51
8.3.200.0110.00916.54
8.3.190.0080.01317.27
8.3.180.0070.00316.54
8.3.170.0110.00719.07
8.3.160.0070.01318.16
8.3.150.0040.01618.99
8.3.140.0180.01017.72
8.3.130.0220.00317.36
8.3.120.0220.00618.58
8.3.110.0220.00316.57
8.3.100.0090.00617.35
8.3.90.0280.00321.55
8.3.80.0200.00916.47
8.3.70.0220.00516.63
8.3.60.0240.00716.40
8.3.50.0180.01020.25
8.3.40.0190.01418.06
8.3.30.0180.01018.32
8.3.20.0180.00518.73
8.3.10.0190.00320.59
8.3.00.0090.00518.43
8.2.290.0100.00817.19
8.2.280.0050.00418.39
8.2.270.0090.00917.19
8.2.260.0170.01117.69
8.2.250.0230.00416.37
8.2.240.0210.00816.71
8.2.230.0150.00918.79
8.2.220.0230.00620.30
8.2.210.0210.00821.64
8.2.200.0170.00617.39
8.2.190.0190.00816.45
8.2.180.0190.00921.05
8.2.170.0230.00918.25
8.2.160.0210.00520.24
8.2.150.0140.01120.90
8.2.140.0200.00621.17
8.2.130.0220.00321.71
8.2.120.0210.00719.66
8.2.110.0190.00518.34
8.2.100.0200.00517.72
8.2.90.0090.00419.02
8.2.80.0170.00817.73
8.2.70.0190.00817.75
8.2.60.0160.00517.66
8.2.50.0190.00617.72
8.2.40.0110.01118.58
8.2.30.0110.01217.77
8.2.20.0150.00717.43
8.2.10.0190.00317.77
8.2.00.0130.01017.46
8.1.330.0100.00816.37
8.1.320.0080.01116.04
8.1.310.0170.00716.26
8.1.300.0150.00817.05
8.1.290.0170.00723.32
8.1.280.0170.01020.91
8.1.270.0260.00320.56
8.1.260.0270.00421.79
8.1.250.0280.00022.67
8.1.240.0180.00319.84
8.1.230.0220.00218.17
8.1.220.0150.00717.48
8.1.210.0190.00518.16
8.1.200.0160.00617.14
8.1.190.0170.00517.21
8.1.180.0180.00417.56
8.1.170.0110.01018.01
8.1.160.0180.00418.00
8.1.150.0180.00317.96
8.1.140.0150.00617.25
8.1.130.0140.00717.31
8.1.120.0190.00317.42
8.1.110.0190.00617.32
8.1.100.0120.00917.33
8.1.90.0130.01017.31
8.1.80.0150.00717.39
8.1.70.0110.01017.29
8.1.60.0160.00817.29
8.1.50.0150.00817.35
8.1.40.0160.00717.45
8.1.30.0140.01017.50
8.1.20.0210.00217.47
8.1.10.0210.00517.40
8.1.00.0170.00617.33
8.0.300.0170.00618.29
8.0.290.0210.00316.52
8.0.280.0220.00317.38
8.0.270.0160.00516.63
8.0.260.0140.00816.75
8.0.250.0100.01016.72
8.0.240.0160.00516.81
8.0.230.0170.00716.70
8.0.220.0180.00216.65
8.0.210.0140.00616.63
8.0.200.0120.00816.80
8.0.190.0140.00916.60
8.0.180.0150.00816.66
8.0.170.0160.00516.75
8.0.160.0120.01016.78
8.0.150.0150.00716.71
8.0.140.0170.00516.64
8.0.130.0170.00714.95
8.0.120.0130.00916.70
8.0.110.0110.01016.71
8.0.100.0150.00716.72
8.0.90.0180.00416.59
8.0.80.0150.01316.77
8.0.70.0150.00716.66
8.0.60.0140.00716.65
8.0.50.0180.00616.60
8.0.30.0110.00816.88
8.0.20.0100.01217.05
8.0.10.0160.00816.97
8.0.00.0130.01016.92
7.4.330.0140.00615.76
7.4.320.0120.00816.34
7.4.300.0150.00816.22
7.4.290.0220.00016.30
7.4.280.0140.00716.38
7.4.270.0120.00516.46
7.4.260.0090.00316.40
7.4.250.0110.00316.44
7.4.240.0070.00316.43
7.4.230.0130.00816.20
7.4.220.0120.01116.32
7.4.210.0130.00716.44
7.4.200.0140.00516.27
7.4.190.0170.00316.37
7.4.180.0160.01616.14
7.4.160.0130.00716.50
7.4.150.0130.00816.64
7.4.140.0150.00616.79
7.4.130.0160.00616.54
7.4.120.0140.00916.54
7.4.110.0160.00716.48
7.4.100.0130.00916.51
7.4.90.0130.00916.44
7.4.80.0150.00716.75
7.4.70.0120.01016.49
7.4.60.0130.00916.47
7.4.50.0120.00916.44
7.4.40.0140.00816.38
7.4.30.0110.01116.48
7.4.20.0150.00716.45
7.4.10.0120.00916.22
7.4.00.0090.00916.16
7.3.330.0140.00314.60
7.3.320.0110.00714.30
7.3.310.0150.00615.98
7.3.300.0160.00715.92
7.3.290.0190.00716.03
7.3.280.0110.00816.16
7.3.270.0110.00916.50
7.3.260.0140.00816.34
7.3.250.0110.01016.33
7.3.240.0140.00816.36
7.3.230.0150.00816.33
7.3.220.0130.01216.34
7.3.210.0160.00516.32
7.3.200.0130.00816.36
7.3.190.0180.00916.30
7.3.180.0150.00816.38
7.3.170.0130.00916.30
7.3.160.0140.00916.36
7.3.150.0150.00916.38
7.3.140.0150.00916.35
7.3.130.0130.00816.14
7.3.120.0130.00716.01
7.3.110.0120.00915.86
7.3.100.0130.00815.85
7.3.90.0120.00915.92
7.3.80.0110.00915.86
7.3.70.0130.00715.88
7.3.60.0110.00915.83
7.3.50.0140.00815.71
7.3.40.0130.00815.71
7.3.30.0120.00715.70
7.3.20.0380.00815.95
7.3.10.0360.00715.86
7.3.00.0380.00715.72
7.2.340.0200.00916.57
7.2.330.0160.01216.59
7.2.320.0190.00816.46
7.2.310.0170.01016.57
7.2.300.0170.00916.50
7.2.290.0190.00816.52
7.2.280.0180.00816.51
7.2.270.0180.00916.50
7.2.260.0140.01016.38
7.2.250.0150.00916.28
7.2.240.0160.00916.14
7.2.230.0130.00916.14
7.2.220.0140.00916.14
7.2.210.0150.00816.08
7.2.200.0140.00916.12
7.2.190.0160.00916.07
7.2.180.0130.00915.94
7.2.170.0130.00815.96
7.2.160.0130.00915.92
7.2.150.0350.00816.28
7.2.140.0380.00816.20
7.2.130.0450.00715.99
7.2.120.0360.01015.93
7.2.110.0330.00915.83
7.2.100.0560.00815.83
7.2.90.0390.00915.84
7.2.80.0440.00815.88
7.2.70.0370.00915.98
7.2.60.0430.00815.91
7.2.50.0450.00815.94
7.2.40.0400.01016.09
7.2.30.0430.00816.06
7.2.20.0410.00816.04
7.2.10.0410.00916.07
7.2.00.0390.01016.03
7.1.330.0170.01015.54
7.1.320.0160.00815.42
7.1.310.0150.00915.48
7.1.300.0160.01015.43
7.1.290.0220.00815.44
7.1.280.0150.00815.30
7.1.270.0230.00815.24
7.1.260.0150.00715.24
7.1.250.0390.00714.84
7.1.240.0240.01014.77
7.1.230.0580.00914.75
7.1.220.0570.00914.73
7.1.210.0540.00914.68
7.1.200.0440.00814.74
7.1.190.0400.00914.73
7.1.180.0470.00814.73
7.1.170.0470.00814.72
7.1.160.0430.00814.87
7.1.150.0430.00814.85
7.1.140.0390.00814.91
7.1.130.0450.00714.90
7.1.120.0380.00814.89
7.1.110.0420.00914.92
7.1.100.0400.00814.89
7.1.90.0430.00914.86
7.1.80.0430.00814.86
7.1.70.0390.00914.75
7.1.60.0360.00916.95
7.1.50.0410.00816.95
7.1.40.0330.00916.88
7.1.30.0420.01016.89
7.1.20.0330.00916.90
7.1.10.0320.00714.66
7.1.00.0300.00814.65
7.0.330.0440.00714.42
7.0.320.0410.00814.38
7.0.310.0500.00814.33
7.0.300.0460.00714.34
7.0.290.0440.00714.49
7.0.280.0380.00814.33
7.0.270.0420.00714.51
7.0.260.0380.00914.56
7.0.250.0430.00814.56
7.0.240.0400.00814.59
7.0.230.0430.00714.57
7.0.220.0420.00714.52
7.0.210.0410.00714.43
7.0.200.0360.00814.41
7.0.190.0340.00914.42
7.0.180.0310.00814.37
7.0.170.0340.00814.41
7.0.160.0340.00914.41
7.0.150.0340.00814.36
7.0.140.0330.00814.39
7.0.130.0330.00814.34
7.0.120.0380.00814.41
7.0.110.0300.00814.41
7.0.100.0290.00914.32
7.0.90.0290.00814.36
7.0.80.0310.00714.35
7.0.70.0320.00814.35
7.0.60.0360.00814.33
7.0.50.0320.00814.34
7.0.40.0340.00814.39
7.0.30.0320.00814.35
7.0.20.0290.00714.40
7.0.10.0320.00814.43
7.0.00.0290.00714.40
5.6.400.0130.01115.30
5.6.390.0140.01015.34
5.6.380.0140.00814.99
5.6.370.0140.01014.97
5.6.360.0140.00914.99
5.6.350.0140.00815.00
5.6.340.0140.01014.99
5.6.330.0140.01014.95
5.6.320.0140.01015.00
5.6.310.0130.01014.96
5.6.300.0140.01215.31
5.6.290.0150.01315.33
5.6.280.0130.01415.38
5.6.270.0140.01215.39
5.6.260.0130.01415.37
5.6.250.0130.01415.39
5.6.240.0140.01415.33
5.6.230.0130.01415.36
5.6.220.0140.01215.35
5.6.210.0140.01115.39
5.6.200.0130.01315.38
5.6.190.0130.01415.39
5.6.180.0130.01415.35
5.6.170.0130.01315.38
5.6.160.0140.01315.37
5.6.150.0140.01315.36
5.6.140.0150.01215.39
5.6.130.0140.01315.39
5.6.120.0120.01415.34
5.6.110.0130.01415.35
5.6.100.0120.01515.35
5.6.90.0130.01415.33
5.6.80.0130.01215.20
5.6.70.0120.01415.31
5.6.60.0130.01215.32
5.6.50.0150.01115.24
5.6.40.0140.01215.21
5.6.30.0120.01315.23
5.6.20.0150.01115.25
5.6.10.0130.01315.26
5.6.00.0140.01115.24
5.5.380.0140.01214.11
5.5.370.0130.01214.17
5.5.360.0130.01314.12
5.5.350.0130.01214.13
5.5.340.0120.01214.15
5.5.330.0150.01114.13
5.5.320.0140.01214.14
5.5.310.0130.01214.16
5.5.300.0130.01214.17
5.5.290.0130.01214.19
5.5.280.0130.01214.14
5.5.270.0130.01314.13
5.5.260.0120.01214.11
5.5.250.0120.01314.09
5.5.240.0120.01214.10
5.5.230.0120.01214.08
5.5.220.0120.01214.09
5.5.210.0130.01214.04
5.5.200.0120.01214.02
5.5.190.0120.01214.04
5.5.180.0120.01214.04
5.5.170.0140.00914.25
5.5.160.0130.01114.06
5.5.150.0120.01214.05
5.5.140.0120.01214.02
5.5.130.0120.01214.04
5.5.120.0120.01114.01
5.5.110.0110.01314.06
5.5.100.0120.01214.09
5.5.90.0120.01314.10
5.5.80.0120.01314.03
5.5.70.0140.01114.07
5.5.60.0130.01214.00
5.5.50.0110.01314.04
5.5.40.0120.01214.04
5.5.30.0130.01114.00
5.5.20.0120.01214.04
5.5.10.0120.01214.01
5.5.00.0130.01214.00
5.4.450.0120.01012.56
5.4.440.0100.01012.56
5.4.430.0120.00912.53
5.4.420.0100.01112.55
5.4.410.0110.01012.56
5.4.400.0120.01012.47
5.4.390.0100.01012.51
5.4.380.0110.01012.47
5.4.370.0120.00912.48
5.4.360.0110.01012.48
5.4.350.0130.00812.46
5.4.340.0130.01012.48
5.4.330.0110.00611.99
5.4.320.0110.00912.45
5.4.310.0120.00912.47
5.4.300.0110.01012.47
5.4.290.0120.00912.45
5.4.280.0120.00912.44
5.4.270.0110.00912.50
5.4.260.0110.01012.49
5.4.250.0110.01012.48
5.4.240.0110.01012.47
5.4.230.0110.01012.47
5.4.220.0110.01012.49
5.4.210.0120.00912.49
5.4.200.0110.01012.48
5.4.190.0110.01012.45
5.4.180.0110.01012.46
5.4.170.0110.01012.45
5.4.160.0120.00912.44
5.4.150.0110.01112.44
5.4.140.0120.00912.29
5.4.130.0110.01012.34
5.4.120.0110.01012.31
5.4.110.0110.00912.35
5.4.100.0120.01012.34
5.4.90.0100.01012.30
5.4.80.0100.01012.34
5.4.70.0110.01012.32
5.4.60.0110.00912.32
5.4.50.0110.00912.28
5.4.40.0110.01012.34
5.4.30.0120.01012.31
5.4.20.0110.00912.33
5.4.10.0110.01012.32
5.4.00.0110.00912.26
5.3.290.0110.01112.15
5.3.280.0110.01012.09
5.3.270.0110.01112.11
5.3.260.0130.01012.11
5.3.250.0120.00912.11
5.3.240.0100.01012.04
5.3.230.0110.01112.06
5.3.220.0110.00912.09
5.3.210.0110.01012.07
5.3.200.0110.01012.09
5.3.190.0110.01012.12
5.3.180.0110.01012.17
5.3.170.0110.00912.21
5.3.160.0100.00912.19
5.3.150.0110.01012.20
5.3.140.0110.01012.14
5.3.130.0110.01012.11
5.3.120.0110.01012.12
5.3.110.0100.01112.11
5.3.100.0100.01012.08
5.3.90.0100.00912.08
5.3.80.0100.01011.99
5.3.70.0100.01012.01
5.3.60.0100.01012.09
5.3.50.0100.01112.06
5.3.40.0120.01012.04
5.3.30.0100.01012.10
5.3.20.0110.00912.01
5.3.10.0110.01011.90
5.3.00.0100.01011.93

preferences:
27.41 ms | 403 KiB | 5 Q