3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = array(1, 2, 3, 4); echo " <h2>question</h2> <p>".chr(64 + $row[3])."</p> <h2>answer</h2> <p>".chr(64 + $row[2])."</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)
8.3.60.0150.01118.14
8.3.50.0060.00922.05
8.3.40.0070.00718.72
8.3.30.0150.00018.60
8.3.20.0070.00019.16
8.3.10.0040.00421.89
8.3.00.0000.00820.89
8.2.180.0140.00316.38
8.2.170.0120.00622.96
8.2.160.0100.00319.45
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0100.00026.16
8.2.120.0040.00420.92
8.2.110.0030.00719.27
8.2.100.0090.00319.66
8.2.90.0000.00719.22
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0030.00618.05
8.2.50.0000.00918.10
8.2.40.0030.00520.40
8.2.30.0000.00719.31
8.2.20.0040.00417.66
8.2.10.0040.00418.05
8.2.00.0080.00018.12
8.1.280.0160.00325.92
8.1.270.0070.00023.71
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00921.43
8.1.230.0090.00317.77
8.1.220.0070.00017.74
8.1.210.0080.00018.77
8.1.200.0060.00317.13
8.1.190.0080.00017.23
8.1.180.0000.00718.10
8.1.170.0080.00418.59
8.1.160.0070.00018.92
8.1.150.0060.00318.96
8.1.140.0040.00419.58
8.1.130.0000.00717.64
8.1.120.0000.00717.52
8.1.110.0000.00817.39
8.1.100.0040.00417.40
8.1.90.0020.00517.48
8.1.80.0040.00417.36
8.1.70.0030.00317.51
8.1.60.0050.00217.59
8.1.50.0080.00017.42
8.1.40.0000.00817.52
8.1.30.0000.00917.55
8.1.20.0040.00417.58
8.1.10.0000.00817.62
8.1.00.0070.00417.50
8.0.300.0070.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00518.42
8.0.270.0000.00717.16
8.0.260.0030.00317.16
8.0.250.0030.00316.89
8.0.240.0070.00016.94
8.0.230.0020.00516.95
8.0.220.0030.00316.82
8.0.210.0000.00716.90
8.0.200.0000.00616.96
8.0.190.0090.00016.95
8.0.180.0000.00816.79
8.0.170.0040.00416.88
8.0.160.0050.00216.99
8.0.150.0000.00716.77
8.0.140.0030.00616.68
8.0.130.0000.00513.31
8.0.120.0040.00416.88
8.0.110.0000.00716.89
8.0.100.0040.00416.83
8.0.90.0040.00416.84
8.0.80.0140.00716.90
8.0.70.0090.00016.67
8.0.60.0000.00816.92
8.0.50.0050.00316.90
8.0.30.0080.01016.87
8.0.20.0110.00917.40
8.0.10.0000.00716.76
8.0.00.0060.01016.56
7.4.330.0050.00015.08
7.4.320.0070.00016.50
7.4.300.0060.00016.60
7.4.290.0000.00716.61
7.4.280.0070.00016.50
7.4.270.0030.00316.48
7.4.260.0030.00316.45
7.4.250.0070.00016.56
7.4.240.0000.00716.59
7.4.230.0000.00716.33
7.4.220.0090.01016.56
7.4.210.0030.01316.54
7.4.200.0070.00016.38
7.4.160.0070.01016.44
7.4.150.0110.00717.40
7.4.140.0140.00317.86
7.4.130.0120.00616.46
7.4.120.0070.01116.36
7.4.110.0090.00816.48
7.4.100.0070.01316.36
7.4.90.0100.00716.36
7.4.80.0070.01319.39
7.4.70.0080.00816.50
7.4.60.0120.00316.45
7.4.50.0040.01516.48
7.4.40.0080.00816.44
7.4.30.0120.00316.21
7.4.00.0070.00714.91
7.3.330.0030.00313.17
7.3.320.0030.00313.10
7.3.310.0050.00216.33
7.3.300.0030.00316.22
7.3.290.0040.01216.22
7.3.280.0040.01316.13
7.3.270.0070.01117.40
7.3.260.0150.00316.38
7.3.250.0070.01316.37
7.3.240.0140.00416.33
7.3.230.0070.01716.62
7.3.210.0130.00316.36
7.3.200.0170.00016.37
7.3.190.0070.01116.23
7.3.180.0130.00316.52
7.3.170.0120.00616.50
7.3.160.0140.00716.30
7.3.10.0000.01116.60
7.3.00.0000.01116.51
7.2.330.0070.01016.69
7.2.320.0030.01416.63
7.2.310.0140.00316.43
7.2.300.0090.00916.76
7.2.290.0000.02016.67
7.2.130.0070.00416.99
7.2.120.0080.00016.68
7.2.110.0090.00016.95
7.2.100.0080.00416.72
7.2.90.0060.01016.95
7.2.80.0110.00316.70
7.2.70.0110.00416.88
7.2.60.0040.00917.01
7.2.50.0110.00016.89
7.2.40.0030.00916.86
7.2.30.0030.00716.93
7.2.20.0070.00517.01
7.2.10.0040.01117.08
7.2.00.0050.00718.00
7.1.250.0030.01015.78
7.1.200.0090.00315.95
7.1.100.0030.00917.89
7.1.70.0100.00317.03
7.1.60.0180.00719.47
7.1.00.0030.07722.34
7.0.200.0310.00714.59
7.0.70.1170.06319.96
7.0.60.1370.05019.97
7.0.50.1100.06720.44
7.0.40.1130.06020.20
7.0.30.1300.06320.26
7.0.20.1430.08020.35
7.0.10.1100.06020.35
7.0.00.1200.05720.25
5.6.280.0030.07321.09
5.6.220.1270.03720.71
5.6.210.1000.06320.58
5.6.200.1030.05721.02
5.6.190.1100.08021.05
5.6.180.1000.07021.07
5.6.170.1200.07021.09
5.6.160.1100.06021.14
5.6.150.1170.03721.19
5.6.140.1000.06321.16
5.6.130.1300.05021.09
5.6.120.0170.07021.07
5.6.110.0530.05320.99
5.6.100.1170.06321.10
5.6.90.1100.05720.97
5.6.80.1230.04720.46
5.6.70.1070.05720.45
5.6.60.1170.06020.50
5.6.50.1130.05720.54
5.6.40.1170.05720.39
5.6.30.1270.04720.53
5.6.20.1200.06020.36
5.6.10.1070.06020.47
5.6.00.1100.05320.41
5.5.360.1300.06020.38
5.5.350.1200.05020.40
5.5.340.7330.08020.95
5.5.330.1070.05720.83
5.5.320.1030.06020.93
5.5.310.1270.06720.85
5.5.300.0970.06320.93
5.5.290.0930.06020.89
5.5.280.0230.06320.94
5.5.270.0970.06020.77
5.5.260.1300.04720.90
5.5.250.1170.05020.77
5.5.240.1170.05320.23
5.5.230.1170.05720.22
5.5.220.1100.05720.16
5.5.210.1230.05320.31
5.5.200.1170.06720.18
5.5.190.0970.05020.30
5.5.180.1270.05320.13
5.5.160.1100.06720.18
5.5.150.1270.05320.17
5.5.140.1100.05720.23
5.5.130.1300.07320.27
5.5.120.1100.05320.16
5.5.110.1070.05720.30
5.5.100.0900.05720.20
5.5.90.1200.04720.13
5.5.80.1130.05720.02
5.5.70.1130.05720.03
5.5.60.1130.05320.05
5.5.50.0870.05720.15
5.5.40.0870.05320.21
5.5.30.0930.05320.11
5.5.20.0900.05720.16
5.5.10.1070.06320.11
5.5.00.0900.05320.13

preferences:
58.23 ms | 401 KiB | 5 Q