3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = ""; for ($t=0; $t<8; $t++) $input .= chr($t); echo "input = ".$input."\n\n"; var_dump(strpos($input, "a")); for ($t=0; $t<strlen($input); $t++) echo "[".ord(substr($input, $t, 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)
8.3.60.0150.00018.55
8.3.50.0120.00322.11
8.3.40.0170.00318.54
8.3.30.0100.00719.09
8.3.20.0070.00020.39
8.3.10.0050.00321.97
8.3.00.0060.00322.31
8.2.180.0060.01616.75
8.2.170.0140.00722.96
8.2.160.0000.01418.82
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0030.01026.16
8.2.120.0050.00319.25
8.2.110.0090.00020.24
8.2.100.0040.00819.55
8.2.90.0050.00319.30
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0000.01118.16
8.2.50.0050.00318.07
8.2.40.0000.00818.28
8.2.30.0030.00618.07
8.2.20.0000.00717.71
8.2.10.0030.00619.50
8.2.00.0050.00217.63
8.1.280.0110.00425.92
8.1.270.0090.00022.14
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0050.00520.90
8.1.230.0070.00417.64
8.1.220.0050.00317.78
8.1.210.0050.00318.77
8.1.200.0090.00017.13
8.1.190.0030.00617.52
8.1.180.0050.00318.50
8.1.170.0060.00318.46
8.1.160.0050.00222.01
8.1.150.0040.00418.58
8.1.140.0040.00417.44
8.1.130.0000.00717.85
8.1.120.0070.00017.37
8.1.110.0080.00017.44
8.1.100.0000.00717.49
8.1.90.0080.00017.42
8.1.80.0000.00817.49
8.1.70.0070.00017.42
8.1.60.0030.00617.45
8.1.50.0040.00417.41
8.1.40.0050.00317.45
8.1.30.0000.00817.66
8.1.20.0000.00917.54
8.1.10.0000.00817.40
8.1.00.0030.00517.37
8.0.300.0000.00718.77
8.0.290.0030.00616.63
8.0.280.0030.00518.50
8.0.270.0000.00717.24
8.0.260.0030.00316.77
8.0.250.0070.00016.86
8.0.240.0020.00516.93
8.0.230.0000.00717.01
8.0.220.0000.00616.93
8.0.210.0050.00216.91
8.0.200.0000.00717.02
8.0.190.0120.00016.98
8.0.180.0070.00016.86
8.0.170.0000.00816.92
8.0.160.0040.00416.82
8.0.150.0030.00616.78
8.0.140.0060.00316.72
8.0.130.0030.00313.37
8.0.120.0030.00516.73
8.0.110.0060.00316.86
8.0.100.0070.00016.70
8.0.90.0000.00716.78
8.0.80.0100.01016.77
8.0.70.0000.00716.77
8.0.60.0000.00816.93
8.0.50.0040.00416.78
8.0.30.0140.00816.82
8.0.20.0090.01017.40
8.0.10.0040.00416.83
8.0.00.0090.00916.68
7.4.330.0000.00615.02
7.4.320.0000.00616.45
7.4.300.0000.00616.53
7.4.290.0030.00316.43
7.4.280.0060.00016.42
7.4.270.0000.00716.54
7.4.260.0030.00316.51
7.4.250.0000.00716.50
7.4.240.0030.00316.48
7.4.230.0000.00716.65
7.4.220.0000.01716.47
7.4.210.0070.00716.46
7.4.200.0070.00016.63
7.4.190.0040.00416.62
7.4.160.0080.00816.43
7.4.150.0120.00617.40
7.4.140.0100.01117.86
7.4.130.0090.00816.41
7.4.120.0090.01116.49
7.4.110.0100.00616.38
7.4.100.0140.00316.40
7.4.90.0180.00616.50
7.4.80.0140.00719.39
7.4.70.0080.00816.44
7.4.60.0120.00616.23
7.4.50.0060.00316.41
7.4.40.0030.01322.77
7.4.30.0070.01016.34
7.4.00.0070.01014.91
7.3.330.0000.00513.15
7.3.320.0020.00213.16
7.3.310.0050.00316.26
7.3.300.0060.00016.17
7.3.290.0080.00816.36
7.3.280.0090.00716.32
7.3.270.0130.00317.40
7.3.260.0120.00616.29
7.3.250.0100.01116.54
7.3.240.0090.00916.61
7.3.230.0140.00916.39
7.3.210.0080.00816.22
7.3.200.0090.00919.39
7.3.190.0060.01116.60
7.3.180.0060.00916.38
7.3.170.0130.00316.48
7.3.160.0060.01016.64
7.3.120.0100.00714.80
7.2.330.0070.01016.68
7.2.320.0120.01216.72
7.2.310.0080.00816.33
7.2.300.0090.01016.69
7.2.290.0060.01016.56
7.2.00.0040.01119.33
7.1.100.0110.00018.06
7.1.70.0060.00317.28
7.1.60.0070.01619.82
7.1.50.0030.02016.70
7.1.00.0070.07322.54
7.0.200.0060.00616.82
7.0.140.0000.07722.07
7.0.60.0030.08719.91
7.0.50.0070.08317.79
7.0.40.0100.08319.91
7.0.30.0230.05720.00
7.0.20.1170.05320.16
7.0.10.0330.07720.09
7.0.00.0070.04020.12
5.6.280.0000.07321.09
5.6.210.0100.03720.73
5.6.200.0030.04018.10
5.6.190.0030.05720.64
5.6.180.4130.04720.46
5.6.170.0400.06720.49
5.6.160.0200.06720.45
5.6.150.0100.04318.10
5.6.140.0100.06318.18
5.6.130.0070.07318.17
5.6.120.0130.05320.98
5.6.110.0070.09020.99
5.6.100.0170.06020.98
5.6.90.0070.04020.97
5.6.80.0170.06020.50
5.6.70.0230.02720.27
5.5.350.0000.03320.46
5.5.340.0070.05017.91
5.5.330.0100.03720.28
5.5.320.0230.08020.28
5.5.310.0300.07320.50
5.5.300.0070.08017.92
5.5.290.0070.04017.90
5.5.280.0170.07720.76
5.5.270.0000.08320.89
5.5.260.0070.04020.87
5.5.250.0070.08320.45
5.5.240.0030.07720.04
5.4.450.0670.05019.49
5.4.440.0570.07019.63
5.4.430.0030.06319.42
5.4.420.0130.05019.42
5.4.410.0130.05019.52
5.4.400.0800.00018.50
5.4.390.0800.00018.50
5.4.380.0170.06318.74
5.4.370.0270.05318.70
5.4.360.0270.05018.50
5.4.350.0100.06718.59
5.4.340.0270.05018.73
5.4.320.0050.03712.45
5.4.310.0090.04212.45
5.4.300.0040.03912.46
5.4.290.0080.04312.45
5.4.280.0060.04112.35
5.4.270.0070.05718.93
5.4.260.0130.04718.76
5.4.250.0130.07018.85
5.4.240.0270.06318.80
5.4.230.0130.04718.84
5.4.220.0070.05718.95
5.4.210.0170.06318.75
5.4.200.0030.05718.85
5.4.190.0100.05018.59
5.4.180.0070.07318.78
5.4.170.0130.04718.74
5.4.160.0100.05018.59
5.4.150.0030.05718.73
5.4.140.0170.06316.43
5.4.130.0200.06016.26
5.4.120.0230.04716.23
5.4.110.0100.06716.37
5.4.100.0130.04316.34
5.4.90.0070.04716.25
5.4.80.0130.04016.12
5.4.70.0070.05716.43
5.4.60.0070.04716.43
5.4.50.0070.06016.31
5.4.40.0170.05016.29
5.4.30.0070.05016.31
5.4.20.0070.04716.21
5.4.10.0100.05016.27
5.4.00.0100.05315.70
5.3.290.0080.04112.80
5.3.280.0100.05014.48
5.3.270.0100.05014.60
5.3.260.0100.06014.75
5.3.250.0070.05314.70
5.3.240.0170.04014.37
5.3.230.0100.06314.60
5.3.220.0170.04314.59
5.3.210.0030.05314.71
5.3.200.0170.05314.27
5.3.190.0200.06014.66
5.3.180.0100.04714.33
5.3.170.0100.04714.48
5.3.160.0070.05314.43
5.3.150.0130.06714.26
5.3.140.0130.04314.41
5.3.130.0000.08014.56
5.3.120.0100.06714.56
5.3.110.0030.05714.38
5.3.100.0100.06314.19
5.3.90.0070.05313.98
5.3.80.0100.04713.89
5.3.70.0100.04713.88
5.3.60.0130.04714.01
5.3.50.0070.05013.64
5.3.40.0030.05713.96
5.3.30.0100.06313.95
5.3.20.0130.06013.57
5.3.10.0130.04013.69
5.3.00.0130.06013.65
5.2.170.0000.04711.16
5.2.160.0100.03711.06
5.2.150.0030.05011.15
5.2.140.0000.04711.16
5.2.130.0100.05011.19
5.2.120.0170.03711.00
5.2.110.0070.04011.10
5.2.100.0130.03311.20
5.2.90.0030.04011.10
5.2.80.0100.05311.02
5.2.70.0130.03311.00
5.2.60.0100.05311.20
5.2.50.0070.05310.96
5.2.40.0030.05310.91
5.2.30.0070.03710.97
5.2.20.0030.04310.89
5.2.10.0000.04310.76
5.2.00.0070.03710.79
5.1.60.0170.03710.03
5.1.50.0030.04710.05
5.1.40.0030.0479.97
5.1.30.0000.04010.55
5.1.20.0200.03010.41
5.1.10.0100.03710.11
5.1.00.0170.0379.91
5.0.50.0030.0278.45
5.0.40.0070.0238.46
5.0.30.0100.0378.05
5.0.20.0100.0208.25
5.0.10.0000.0408.23
5.0.00.0030.0408.41
4.4.90.0000.0236.83
4.4.80.0030.0206.83
4.4.70.0030.0206.83
4.4.60.0000.0236.83
4.4.50.0070.0206.83
4.4.40.0100.0376.83
4.4.30.0030.0206.83
4.4.20.0030.0276.83
4.4.10.0070.0176.83
4.4.00.0030.0306.83
4.3.110.0000.0236.83
4.3.100.0030.0276.83
4.3.90.0030.0206.83
4.3.80.0030.0406.83
4.3.70.0100.0136.83
4.3.60.0030.0306.83
4.3.50.0030.0306.83
4.3.40.0070.0436.83
4.3.30.0070.0136.83
4.3.20.0030.0206.83
4.3.10.0070.0176.83
4.3.00.0100.0237.39

preferences:
65.97 ms | 401 KiB | 5 Q