3v4l.org

run code in 300+ PHP versions simultaneously
<?php function abc() { $str = "Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's the purpose of your trip?)Write your message here: (e.g. What's th anil kumar"; return $str; } if (strlen(abc()) > 1000) { echo $newstr = substr(abc(), 0, 1000-strlen(abc())); }

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)
8.3.60.0060.01218.39
8.3.50.0090.00821.14
8.3.40.0120.00318.99
8.3.30.0070.00720.30
8.3.20.0080.00020.05
8.3.10.0030.00521.92
8.3.00.0080.00022.43
8.2.180.0130.00316.75
8.2.170.0140.00722.96
8.2.160.0000.01420.44
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0070.01026.16
8.2.120.0040.00419.52
8.2.110.0100.00022.07
8.2.100.0090.00317.60
8.2.90.0040.00419.19
8.2.80.0050.00319.21
8.2.70.0040.00417.50
8.2.60.0060.00317.80
8.2.50.0040.00418.07
8.2.40.0080.00018.34
8.2.30.0040.00418.07
8.2.20.0080.00017.57
8.2.10.0030.00517.76
8.2.00.0030.00517.55
8.1.280.0100.01025.92
8.1.270.0040.00424.66
8.1.260.0050.00226.35
8.1.250.0000.00828.09
8.1.240.0060.00321.88
8.1.230.0050.00519.21
8.1.220.0040.00417.80
8.1.210.0050.00318.77
8.1.200.0090.00017.22
8.1.190.0050.00317.53
8.1.180.0040.00420.04
8.1.170.0030.00618.48
8.1.160.0000.00722.17
8.1.150.0000.00718.57
8.1.140.0030.00617.37
8.1.130.0070.00017.86
8.1.120.0030.00617.33
8.1.110.0040.00417.29
8.1.100.0040.00417.45
8.1.90.0050.00317.45
8.1.80.0000.00717.31
8.1.70.0040.00417.39
8.1.60.0000.00817.49
8.1.50.0080.00017.50
8.1.40.0000.00717.53
8.1.30.0000.00717.63
8.1.20.0080.00017.51
8.1.10.0040.00417.37
8.1.00.0000.00817.48
8.0.300.0000.00718.77
8.0.290.0040.00417.04
8.0.280.0030.00318.45
8.0.270.0030.00317.31
8.0.260.0040.00416.75
8.0.250.0030.00316.96
8.0.240.0040.00416.96
8.0.230.0030.00316.93
8.0.220.0070.00016.70
8.0.210.0000.00716.82
8.0.200.0000.00616.74
8.0.190.0000.00716.89
8.0.180.0000.00716.75
8.0.170.0050.00316.68
8.0.160.0000.00816.79
8.0.150.0040.00416.66
8.0.140.0070.00016.83
8.0.130.0030.00313.28
8.0.120.0040.00416.77
8.0.110.0080.00016.87
8.0.100.0040.00416.70
8.0.90.0040.00416.71
8.0.80.0030.01116.80
8.0.70.0040.00416.73
8.0.60.0040.00416.72
8.0.50.0000.00716.76
8.0.30.0160.00317.04
8.0.20.0080.01117.40
8.0.10.0040.00416.90
8.0.00.0040.01216.77
7.4.330.0000.00515.00
7.4.320.0060.00016.55
7.4.300.0030.00316.48
7.4.290.0000.00716.46
7.4.280.0030.00416.44
7.4.270.0030.00316.43
7.4.260.0040.00416.58
7.4.250.0000.00716.61
7.4.240.0030.00316.51
7.4.230.0040.00416.36
7.4.220.0090.00916.66
7.4.210.0070.00816.54
7.4.200.0040.00416.68
7.4.190.0040.00416.31
7.4.160.0120.00316.62
7.4.150.0090.00917.40
7.4.140.0110.01017.86
7.4.130.0080.00916.47
7.4.120.0130.00716.53
7.4.110.0090.00916.49
7.4.100.0060.01616.47
7.4.90.0100.00616.56
7.4.80.0090.00919.39
7.4.70.0130.01016.48
7.4.60.0060.00916.51
7.4.50.0030.00316.36
7.4.40.0040.00722.77
7.4.30.0090.00616.42
7.4.00.0040.00815.10
7.3.330.0030.00313.25
7.3.320.0000.00513.24
7.3.310.0040.00416.23
7.3.300.0030.00316.16
7.3.290.0100.00316.26
7.3.280.0120.00316.21
7.3.270.0110.00817.40
7.3.260.0060.01216.34
7.3.250.0060.01016.37
7.3.240.0160.00016.55
7.3.230.0000.01716.50
7.3.210.0130.00316.48
7.3.200.0110.00419.39
7.3.190.0090.00916.52
7.3.180.0080.00816.27
7.3.170.0120.00416.38
7.3.160.0090.01216.41
7.3.120.0060.00814.68
7.2.330.0060.01216.51
7.2.320.0070.01016.63
7.2.310.0090.01316.72
7.2.300.0090.00616.70
7.2.290.0120.00816.62
7.2.60.0030.01016.56
7.2.00.0070.00719.46
7.1.200.0040.00715.80
7.1.100.0040.01117.79
7.1.70.0040.00417.22
7.1.60.0110.01119.29
7.1.50.0090.01616.86
7.1.00.0030.05022.41
7.0.200.0530.00414.26
7.0.140.0070.07021.95
7.0.110.0630.08320.02
7.0.100.0430.07020.00
7.0.90.0300.05319.91
7.0.80.0170.06719.91
7.0.70.0100.07720.02
7.0.60.0130.07719.87
7.0.50.0170.04020.36
7.0.40.0070.07720.16
7.0.30.0070.04320.12
7.0.20.0070.05020.16
7.0.10.0130.06020.26
7.0.00.0070.08020.26
5.6.280.0170.06021.02
5.6.250.0100.08020.70
5.6.240.0070.08720.69
5.6.230.0170.08020.66
5.6.220.0170.06720.65
5.6.210.0070.04020.77
5.6.200.0300.03321.13
5.6.190.0000.04720.99
5.6.180.0030.09021.14
5.6.170.0100.08321.06
5.6.160.0100.08321.10
5.6.150.0130.07720.93
5.6.140.0030.06720.93
5.6.130.0070.08321.15
5.6.120.0130.07320.93
5.6.110.0130.07320.98
5.6.100.0070.08321.05
5.6.90.0130.06320.93
5.6.80.0030.05720.48
5.6.70.0100.03720.57
5.6.60.0070.04320.39
5.6.50.0000.04320.68
5.6.40.0030.04020.51
5.6.30.0030.04720.30
5.6.20.0030.05720.32
5.6.10.0070.03320.54
5.6.00.0130.03020.27
5.5.380.0070.08320.41
5.5.370.0100.07020.37
5.5.360.0130.07020.39
5.5.350.0170.06720.47
5.5.340.0100.04320.85
5.5.330.0030.05721.05
5.5.320.0130.06720.95
5.5.310.0130.04720.95
5.5.300.0100.07721.02
5.5.290.0000.05720.99
5.5.280.0000.07020.68
5.5.270.0030.08720.88
5.5.260.0200.04320.70
5.5.250.0030.08020.54
5.5.240.0030.05320.13
5.5.230.0070.03720.29
5.5.220.0000.05020.41
5.5.210.0030.04020.13
5.5.200.0100.06720.26
5.5.190.0030.04020.31
5.5.180.0100.03320.24
5.5.160.0030.05720.23
5.5.150.0070.03720.19
5.5.140.0030.04720.13
5.5.130.0030.04020.32
5.5.120.0030.05320.25
5.5.110.0130.05720.29
5.5.100.0070.04720.23
5.5.90.0000.04320.05
5.5.80.0030.04020.21
5.5.70.0070.04320.14
5.5.60.0030.03720.00
5.5.50.0030.03720.08
5.5.40.0070.03720.20
5.5.30.0100.03320.25
5.5.20.0000.04320.05
5.5.10.0070.03720.00
5.5.00.0000.04319.92
5.4.450.0030.08719.31
5.4.440.0100.07319.64
5.4.430.0070.08319.51
5.4.420.0070.07719.63
5.4.410.0100.06719.51
5.4.400.0070.04318.95
5.4.390.0100.07319.03
5.4.380.0100.04019.34
5.4.370.0000.04019.34
5.4.360.0070.03719.18
5.4.350.0030.06019.32
5.4.340.0000.04319.19
5.4.320.0030.03719.02
5.4.310.0030.03719.24
5.4.300.0030.03719.33
5.4.290.0000.06019.24
5.4.280.0100.03019.17
5.4.270.0030.06719.23
5.4.260.0070.07319.33
5.4.250.0030.03719.31
5.4.240.0000.04319.01
5.4.230.0030.03318.98
5.4.220.0030.03719.18
5.4.210.0000.04019.00
5.4.200.0000.04719.20
5.4.190.0000.04719.08
5.4.180.0100.03019.00
5.4.170.0000.04019.21
5.4.160.0100.07319.14
5.4.150.0070.03319.01
5.4.140.0070.03316.39
5.4.130.0030.03316.50
5.4.120.0000.05316.38
5.4.110.0030.03716.31
5.4.100.0000.03716.26
5.4.90.0070.03016.48
5.4.80.0030.03316.45
5.4.70.0070.06016.24
5.4.60.0070.03716.45
5.4.50.0070.07016.47
5.4.40.0070.07016.45
5.4.30.0070.07016.47
5.4.20.0030.07316.63
5.4.10.0100.07716.48
5.4.00.0030.07316.08
5.3.290.0000.03714.68
5.3.280.0030.04314.61
5.3.270.0100.03014.66
5.3.260.0000.04314.69
5.3.250.0070.05014.74
5.3.240.0100.03314.84
5.3.230.0000.04014.69
5.3.220.0070.03314.55
5.3.210.0030.03714.59
5.3.200.0000.04014.57
5.3.190.0030.03714.69
5.3.180.0070.06314.64
5.3.170.0070.04314.59
5.3.160.0100.07314.65
5.3.150.0000.07314.58
5.3.140.0170.06314.68
5.3.130.0100.04314.54
5.3.120.0100.06714.78
5.3.110.0100.07314.78
5.3.100.0000.06714.27
5.3.90.0100.07714.16
5.3.80.0030.06713.98
5.3.70.0000.07714.01
5.3.60.0070.05314.23
5.3.50.0170.05714.02
5.3.40.0070.06013.93
5.3.30.0130.06313.94
5.3.20.0100.05313.72
5.3.10.0030.07013.66
5.3.00.0130.06713.62
5.2.170.0030.06711.27
5.2.160.0070.05711.11
5.2.150.0070.03311.16
5.2.140.0070.05011.20
5.2.130.0000.06011.11
5.2.120.0070.02711.24
5.2.110.0070.05711.10
5.2.100.0000.06311.11
5.2.90.0070.06311.24
5.2.80.0000.06311.23
5.2.70.0070.06010.95
5.2.60.0030.06711.28
5.2.50.0000.05711.03
5.2.40.0100.05011.06
5.2.30.0130.04710.96
5.2.20.0000.05011.02
5.2.10.0000.06010.88
5.2.00.0100.04010.78
5.1.60.0070.0539.98
5.1.50.0070.05010.00
5.1.40.0000.0409.95
5.1.30.0070.03710.46
5.1.20.0100.04710.35
5.1.10.0070.05310.02
5.1.00.0030.05710.02
5.0.50.0070.0438.62
5.0.40.0000.0338.39
5.0.30.0000.0478.30
5.0.20.0100.0378.36
5.0.10.0070.0408.13
5.0.00.0000.0678.23
4.4.90.0030.0337.88
4.4.80.0070.0277.88
4.4.70.0000.0407.88
4.4.60.0030.0277.88
4.4.50.0030.0337.88
4.4.40.0070.0537.88
4.4.30.0030.0377.88
4.4.20.0000.0277.88
4.4.10.0000.0377.88
4.4.00.0000.0437.88
4.3.110.0000.0407.88
4.3.100.0000.0307.88
4.3.90.0000.0307.88
4.3.80.0030.0407.88
4.3.70.0000.0377.88
4.3.60.0030.0337.88
4.3.50.0000.0377.88
4.3.40.0070.0477.88
4.3.30.0000.0307.88
4.3.20.0000.0377.88
4.3.10.0000.0377.88
4.3.00.0070.0337.88

preferences:
44.98 ms | 401 KiB | 5 Q