3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a="q1-q4-q5-q7-q10-q11-q13-q15-q17-q20-q22-q23-q26-q27-q29-q32-q33-q35-q37-q40-q42-q44-q45-q47-q49-q51-q53-q56-q58-q60-"; echo strlen($a); echo $a[1] ?>

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)
8.3.60.0140.00716.24
8.3.50.0240.00716.49
8.3.40.0090.00618.70
8.3.30.0120.00318.55
8.3.20.0050.00318.51
8.3.10.0080.00020.62
8.3.00.0040.00419.51
8.2.180.0100.01016.63
8.2.170.0090.00622.96
8.2.160.0140.00320.91
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00020.83
8.2.110.0030.00620.99
8.2.100.0060.00617.91
8.2.90.0030.00719.17
8.2.80.0030.00519.40
8.2.70.0000.00917.48
8.2.60.0000.00818.05
8.2.50.0030.00618.07
8.2.40.0090.00018.34
8.2.30.0000.00718.00
8.2.20.0040.00417.79
8.2.10.0040.00417.60
8.2.00.0000.00717.61
8.1.280.0100.01025.92
8.1.270.0070.00024.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00922.48
8.1.230.0040.00720.98
8.1.220.0030.00617.74
8.1.210.0050.00318.85
8.1.200.0030.00617.35
8.1.190.0070.00017.53
8.1.180.0090.00018.10
8.1.170.0000.00818.80
8.1.160.0000.00720.62
8.1.150.0000.00718.41
8.1.140.0040.00417.38
8.1.130.0000.00717.80
8.1.120.0040.00417.45
8.1.110.0040.00417.38
8.1.100.0000.00717.40
8.1.90.0000.00817.43
8.1.80.0030.00317.30
8.1.70.0070.00017.30
8.1.60.0000.00917.48
8.1.50.0000.00817.41
8.1.40.0030.00517.46
8.1.30.0060.00317.51
8.1.20.0000.00717.53
8.1.10.0070.00017.54
8.1.00.0000.00717.52
8.0.300.0040.00419.88
8.0.290.0000.00716.75
8.0.280.0070.00018.36
8.0.270.0070.00016.73
8.0.260.0070.00018.65
8.0.250.0070.00016.92
8.0.240.0000.00716.86
8.0.230.0040.00416.76
8.0.220.0000.00716.79
8.0.210.0030.00316.80
8.0.200.0030.00316.82
8.0.190.0000.00816.91
8.0.180.0050.00316.76
8.0.170.0040.00416.80
8.0.160.0000.00816.86
8.0.150.0030.00516.66
8.0.140.0100.00616.74
8.0.130.0000.00613.27
8.0.120.0050.00316.68
8.0.110.0030.00616.72
8.0.100.0030.00416.85
8.0.90.0050.00316.88
8.0.80.0060.01016.87
8.0.70.0000.00716.69
8.0.60.0040.00416.68
8.0.50.0030.00516.88
8.0.30.0110.00817.13
8.0.20.0090.00916.98
8.0.10.0000.00716.83
8.0.00.0080.01316.76
7.4.330.0000.00512.98
7.4.320.0060.00016.53
7.4.300.0030.00316.50
7.4.290.0000.00616.56
7.4.280.0030.00516.52
7.4.270.0070.00016.54
7.4.260.0050.00013.26
7.4.250.0080.00016.39
7.4.240.0000.00716.29
7.4.230.0000.00716.51
7.4.220.0070.01016.56
7.4.210.0090.00616.44
7.4.200.0040.00416.32
7.4.190.0070.00016.66
7.4.160.0030.01316.48
7.4.150.0100.00716.53
7.4.140.0100.01016.40
7.4.130.0080.01016.61
7.4.120.0040.01316.41
7.4.110.0080.00816.52
7.4.100.0100.01016.54
7.4.90.0030.01316.46
7.4.80.0120.00619.39
7.4.70.0090.00616.54
7.4.60.0120.00916.32
7.4.50.0080.00416.35
7.4.40.0070.00416.47
7.4.30.0130.00316.40
7.4.00.0100.00514.97
7.3.330.0060.00013.12
7.3.320.0000.00513.09
7.3.310.0040.00416.23
7.3.300.0030.00316.14
7.3.290.0070.00716.23
7.3.280.0110.00816.25
7.3.270.0070.01016.24
7.3.260.0150.00416.22
7.3.250.0090.01016.40
7.3.240.0140.00316.48
7.3.230.0070.01016.57
7.3.210.0030.01416.50
7.3.200.0060.01116.24
7.3.190.0100.01316.20
7.3.180.0110.00416.23
7.3.170.0180.00016.45
7.3.160.0130.00316.31
7.3.120.0070.01114.99
7.3.110.0070.00714.90
7.3.100.0030.01014.97
7.3.90.0090.00014.91
7.3.80.0090.00614.76
7.3.70.0060.00314.95
7.3.60.0030.01014.95
7.3.50.0030.00614.84
7.3.40.0040.00814.77
7.3.30.0030.01014.77
7.3.20.0100.00316.77
7.3.10.0030.01516.54
7.3.00.0060.00516.55
7.2.330.0090.00916.43
7.2.320.0090.01416.54
7.2.310.0050.01316.48
7.2.300.0140.00316.47
7.2.290.0030.01416.60
7.2.250.0100.00915.15
7.2.240.0060.00915.09
7.2.230.0090.00915.14
7.2.220.0040.00715.08
7.2.210.0040.01614.93
7.2.200.0030.00715.07
7.2.190.0130.00014.91
7.2.180.0030.01514.82
7.2.170.0030.01015.01
7.2.60.0060.00616.66
7.2.00.0060.00919.22
7.1.330.0130.00315.54
7.1.320.0110.00415.75
7.1.310.0040.00815.91
7.1.300.0100.00415.81
7.1.290.0090.00715.93
7.1.280.0080.00015.58
7.1.270.0080.00615.71
7.1.260.0040.01215.80
7.1.200.0030.00915.87
7.1.100.0070.00718.17
7.1.70.0000.00717.09
7.1.60.0140.00016.99
7.1.50.0030.01016.96
7.1.00.0070.05022.40
7.0.200.0040.00716.88
7.0.140.0000.07721.92
7.0.120.0100.06322.09
7.0.60.0030.06319.83
7.0.50.0030.07717.88
7.0.40.0070.07320.09
7.0.30.0270.04020.05
7.0.20.0270.08720.19
7.0.10.0100.08320.02
7.0.00.0000.09020.01
5.6.280.0000.07720.89
5.6.210.0100.04020.66
5.6.200.0070.08318.18
5.6.190.0070.04020.41
5.6.180.0470.07720.76
5.6.170.0300.04720.71
5.6.160.0070.04320.37
5.6.150.0130.07318.11
5.6.140.0100.07718.21
5.6.130.0100.07318.09
5.6.120.0170.06320.98
5.6.110.0100.08021.10
5.6.100.0170.07720.88
5.6.90.0030.06720.96
5.6.80.0100.07720.50
5.5.350.0100.08020.43
5.5.340.0000.07317.89
5.5.330.0100.07720.07
5.5.320.0800.06020.21
5.5.310.0270.05720.43
5.5.300.0000.08017.93
5.5.290.0100.07717.95
5.5.280.0100.08320.87
5.5.270.0100.07720.96
5.5.260.0070.04320.75
5.5.250.0030.05320.67
5.5.240.0100.08020.25
5.4.450.0070.06019.25
5.4.440.0170.06319.13
5.4.430.0100.06319.21
5.4.420.0070.06719.46
5.4.410.0070.04719.34
5.4.400.0030.04019.18
5.4.390.0100.05019.14
5.4.380.0130.05319.08
5.4.370.0130.04019.14
5.4.360.0030.06719.10
5.4.350.0070.07019.18
5.4.340.0000.05719.08
5.4.320.0170.03319.08
5.4.310.0030.05318.92
5.4.300.0100.05719.08
5.4.290.0100.04018.92
5.4.280.0100.04018.79
5.4.270.0100.07019.11
5.4.260.0100.06718.80
5.4.250.0200.05319.08
5.4.240.0100.06019.13
5.4.230.0030.08319.08
5.4.220.0000.04319.18
5.4.210.0000.04719.11
5.4.200.0070.07319.07
5.4.190.0070.03719.16
5.4.180.0170.02719.13
5.4.170.0230.02718.77
5.4.160.0100.03319.12
5.4.150.0030.04018.78
5.4.140.0030.06316.25
5.4.130.0130.03316.16
5.4.120.0070.07016.19
5.4.110.0100.05316.23
5.4.100.0000.04716.15
5.4.90.0070.04016.23
5.4.80.0030.08316.27
5.4.70.0070.05716.22
5.4.60.0070.05316.34
5.4.50.0070.07016.38
5.4.40.0070.07316.26
5.4.30.0100.04316.33
5.4.20.0000.07016.27
5.4.10.0100.07316.38
5.4.00.0070.04315.77
5.3.290.0030.07314.62
5.3.280.0130.07014.52
5.3.270.0030.06014.42
5.3.260.0070.04714.55
5.3.250.0000.04314.53
5.3.240.0100.07314.69
5.3.230.0100.05314.49
5.3.220.0070.07014.54
5.3.210.0100.05314.49
5.3.200.0070.04714.38
5.3.190.0100.07314.49
5.3.180.0130.06314.49
5.3.170.0100.07014.54
5.3.160.0030.04314.44
5.3.150.0030.04014.48
5.3.140.0100.06014.48
5.3.130.0100.07714.53
5.3.120.0070.07714.47
5.3.110.0030.06014.51
5.3.100.0130.06313.97
5.3.90.0000.04013.95
5.3.80.0070.04314.13
5.3.70.0070.03313.93
5.3.60.0030.04013.82
5.3.50.0000.04313.78
5.3.40.0070.03713.77
5.3.30.0030.05013.84
5.3.20.0100.06013.61
5.3.10.0100.06013.59
5.3.00.0070.07313.45
5.2.170.0070.03011.04
5.2.160.0000.03311.13
5.2.150.0030.03011.02
5.2.140.0070.02711.02
5.2.130.0000.03010.95
5.2.120.0000.06311.25
5.2.110.0100.06011.03
5.2.100.0030.03710.95
5.2.90.0030.06311.09
5.2.80.0070.05711.24
5.2.70.0100.02710.98
5.2.60.0070.03011.07
5.2.50.0000.03011.09
5.2.40.0070.02311.14
5.2.30.0030.05010.85
5.2.20.0100.04010.78
5.2.10.0030.06011.01
5.2.00.0030.02710.71
5.1.60.0030.0339.89
5.1.50.0030.04710.04
5.1.40.0030.0339.87
5.1.30.0000.03010.39
5.1.20.0000.05710.34
5.1.10.0000.0609.96
5.1.00.0030.03710.12
5.0.50.0030.0278.58
5.0.40.0000.0478.37
5.0.30.0070.0438.19
5.0.20.0000.0338.24
5.0.10.0030.0238.16
5.0.00.0070.0638.17
4.4.90.0000.0177.56
4.4.80.0070.0107.56
4.4.70.0000.0337.56
4.4.60.0000.0207.56
4.4.50.0000.0337.56
4.4.40.0000.0607.56
4.4.30.0000.0307.56
4.4.20.0030.0277.56
4.4.10.0030.0277.56
4.4.00.0030.0277.56
4.3.110.0070.0237.56
4.3.100.0030.0337.56
4.3.90.0000.0207.56
4.3.80.0000.0577.56
4.3.70.0070.0177.56
4.3.60.0030.0337.56
4.3.50.0000.0377.56
4.3.40.0070.0307.56
4.3.30.0070.0137.56
4.3.20.0070.0237.56
4.3.10.0000.0237.56
4.3.00.0030.0337.56

preferences:
43.17 ms | 401 KiB | 5 Q