3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "yorman"; $str[0] = "a"; // $str[1] = "b"; var_dump( $str ); echo $str;

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)
8.3.40.0150.00618.84
8.3.30.0110.00320.18
8.3.20.0040.00420.16
8.3.10.0040.00421.87
8.3.00.0020.00522.44
8.2.170.0190.00022.96
8.2.160.0070.00722.25
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00020.79
8.2.110.0030.00622.25
8.2.100.0030.01017.72
8.2.90.0040.00419.28
8.2.80.0040.00419.31
8.2.70.0080.00017.25
8.2.60.0040.00418.05
8.2.50.0050.00518.07
8.2.40.0000.00818.15
8.2.30.0040.00419.48
8.2.20.0030.00517.53
8.2.10.0080.00017.68
8.2.00.0060.00317.62
8.1.270.0080.00023.99
8.1.260.0050.00826.35
8.1.250.0050.00228.09
8.1.240.0030.00623.76
8.1.230.0070.01019.15
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0040.00417.53
8.1.180.0040.00818.10
8.1.170.0040.00418.52
8.1.160.0040.00418.84
8.1.150.0000.00818.66
8.1.140.0040.00417.48
8.1.130.0000.00617.68
8.1.120.0040.00417.42
8.1.110.0000.01117.40
8.1.100.0000.00717.36
8.1.90.0000.00717.43
8.1.80.0030.00317.30
8.1.70.0030.00317.44
8.1.60.0000.00817.47
8.1.50.0000.00717.49
8.1.40.0000.00717.52
8.1.30.0000.00717.52
8.1.20.0040.00417.59
8.1.10.0040.00417.55
8.1.00.0040.00417.35
8.0.300.0040.00418.77
8.0.290.0040.00417.18
8.0.280.0030.00518.40
8.0.270.0030.00317.13
8.0.260.0030.00318.53
8.0.250.0000.00716.86
8.0.240.0030.00517.01
8.0.230.0030.00316.84
8.0.220.0040.00416.86
8.0.210.0070.00016.91
8.0.200.0000.00816.96
8.0.190.0040.00416.95
8.0.180.0030.00316.88
8.0.170.0050.00316.95
8.0.160.0030.00316.91
8.0.150.0050.00516.73
8.0.140.0000.00816.85
8.0.130.0000.00513.25
8.0.120.0040.00416.87
8.0.110.0040.00416.80
8.0.100.0040.00416.82
8.0.90.0080.00017.00
8.0.80.0060.00916.90
8.0.70.0080.00016.93
8.0.60.0070.00016.78
8.0.50.0030.00516.93
8.0.30.0080.01017.26
8.0.20.0170.00117.40
8.0.10.0030.00716.89
8.0.00.0080.01016.65
7.4.330.0060.00015.09
7.4.320.0060.00016.61
7.4.300.0060.00016.59
7.4.290.0030.00316.49
7.4.280.0030.00516.48
7.4.270.0090.00016.54
7.4.260.0000.00513.23
7.4.250.0050.00316.46
7.4.240.0040.00316.54
7.4.230.0030.00316.60
7.4.220.0090.00916.46
7.4.210.0110.00516.51
7.4.200.0030.00316.58
7.4.190.0070.00016.71
7.4.160.0120.00416.36
7.4.150.0150.00317.40
7.4.140.0100.01017.86
7.4.130.0090.01016.49
7.4.120.0100.00616.48
7.4.110.0070.01016.55
7.4.100.0090.00916.42
7.4.90.0030.01316.52
7.4.80.0130.01319.39
7.4.70.0190.00416.55
7.4.60.0030.01416.55
7.4.50.0000.00416.43
7.4.40.0090.00622.77
7.4.30.0140.00316.37
7.4.00.0050.01114.69
7.3.330.0000.00513.17
7.3.320.0000.00513.07
7.3.310.0000.00716.17
7.3.300.0000.00616.37
7.3.290.0170.00316.33
7.3.280.0090.00616.33
7.3.270.0060.01017.40
7.3.260.0070.01916.59
7.3.250.0110.00716.35
7.3.240.0160.00616.37
7.3.230.0130.00616.39
7.3.210.0100.00716.47
7.3.200.0130.00519.39
7.3.190.0110.01116.29
7.3.180.0060.01016.54
7.3.170.0120.00916.43
7.3.160.0120.00916.27
7.3.120.0050.00714.94
7.3.110.0000.01214.87
7.3.100.0070.01015.02
7.3.90.0030.01014.90
7.3.80.0080.00514.58
7.3.70.0030.00714.60
7.3.60.0100.00314.93
7.3.50.0030.00914.94
7.3.40.0100.00614.80
7.3.30.0040.00814.86
7.3.20.0000.01516.43
7.3.10.0040.00416.71
7.3.00.0100.00716.77
7.2.330.0100.01016.60
7.2.320.0140.01416.70
7.2.310.0140.00716.57
7.2.300.0030.01316.54
7.2.290.0190.00416.51
7.2.250.0100.00614.95
7.2.240.0090.01315.17
7.2.230.0090.00915.06
7.2.220.0040.01114.98
7.2.210.0060.00914.53
7.2.200.0040.01214.91
7.2.190.0000.00914.89
7.2.180.0000.01314.86
7.2.170.0100.00014.68
7.1.330.0070.01015.92
7.1.320.0060.00915.83
7.1.310.0090.00315.75
7.1.300.0040.01115.77
7.1.290.0000.01415.90
7.1.280.0000.01215.65
7.1.270.0070.00715.85
7.1.260.0000.01515.59
7.1.200.0080.00815.72
7.1.70.0000.00817.13
7.1.60.0100.01419.32
7.1.50.0070.01416.72
7.1.00.0100.07022.33
7.0.200.0040.00416.47
7.0.140.0030.08721.96
7.0.100.0400.09319.96
7.0.90.0330.05019.96
7.0.80.0370.08319.92
7.0.70.0230.08319.99
7.0.60.0370.08019.90
7.0.50.0500.07320.14
7.0.40.0100.04320.05
7.0.30.0130.07720.11
7.0.20.0100.08020.02
7.0.10.0100.08020.08
7.0.00.0200.05720.10
5.6.280.0070.07021.09
5.6.250.0070.05320.62
5.6.240.0000.06720.54
5.6.230.0170.07020.63
5.6.220.0130.08020.46
5.6.210.0100.07320.64
5.6.200.0130.08020.95
5.6.190.0070.04721.12
5.6.180.0100.07721.03
5.6.170.0070.08320.93
5.6.160.0030.05021.08
5.6.150.0170.07321.07
5.6.140.0170.07021.16
5.6.130.0100.07321.04
5.6.120.0030.08721.09
5.6.110.0130.08320.99
5.6.100.0100.04721.15
5.6.90.0130.08020.98
5.6.80.0070.05320.39
5.6.70.0070.07720.33
5.6.60.0070.05720.40
5.6.50.0070.04320.38
5.6.40.0100.07720.39
5.6.30.0030.04720.41
5.6.20.0130.06720.52
5.6.10.0130.06720.39
5.6.00.0100.07320.36
5.5.380.0100.07720.54
5.5.370.0100.07720.54
5.5.360.0030.08720.47
5.5.350.0100.07720.32
5.5.340.0030.06320.71
5.5.330.0100.07720.88
5.5.320.0130.04320.92
5.5.310.0130.04320.91
5.5.300.0000.07320.82
5.5.290.0070.07320.85
5.5.280.0070.07020.75
5.5.270.0070.08720.71
5.5.260.0100.06720.79
5.5.250.0000.08320.55
5.5.240.0030.08020.27
5.5.230.0100.06320.29
5.5.220.0030.08320.27
5.5.210.0100.07720.18
5.5.200.0100.07720.26
5.5.190.0030.08320.21
5.5.180.0130.08019.98
5.5.160.0030.08020.24
5.5.150.0100.08020.17
5.5.140.0070.08020.15
5.5.130.0030.08020.25
5.5.120.0000.04720.26
5.5.110.0100.07720.06
5.5.100.0130.06720.06
5.5.90.0030.08720.06
5.5.80.0070.06020.08
5.5.70.0100.08020.12
5.5.60.0170.06720.05
5.5.50.0170.07019.99
5.5.40.0130.07719.88
5.5.30.0070.08320.15
5.5.20.0100.07720.04
5.5.10.0030.08320.11
5.5.00.0030.08019.99
5.4.450.0000.08719.11
5.4.440.0000.04319.30
5.4.430.0030.08319.13
5.4.420.0000.06019.46
5.4.410.0030.07719.22
5.4.400.0070.08318.98
5.4.390.0000.04719.22
5.4.380.0130.05319.04
5.4.370.0070.05719.02
5.4.360.0130.04319.00
5.4.350.0070.07318.81
5.4.340.0030.08719.23
5.4.320.0130.07019.17
5.4.310.0000.08018.96
5.4.300.0070.07018.80
5.4.290.0030.06718.82
5.4.280.0070.07719.04
5.4.270.0030.06019.02
5.4.260.0070.07718.94
5.4.250.0070.08019.06
5.4.240.0030.07718.77
5.4.230.0070.07318.96
5.4.220.0030.07318.90
5.4.210.0030.06719.04
5.4.200.0100.07719.05
5.4.190.0070.08019.04
5.4.180.0100.07719.04
5.4.170.0070.07718.93
5.4.160.0170.05719.05
5.4.150.0030.08019.05
5.4.140.0070.05016.34
5.4.130.0100.06716.34
5.4.120.0100.07016.36
5.4.110.0070.08316.21
5.4.100.0100.05316.34
5.4.90.0070.04016.40
5.4.80.0030.04016.39
5.4.70.0100.06016.27
5.4.60.0070.08016.41
5.4.50.0100.06716.39
5.4.40.0200.05716.43
5.4.30.0130.06716.38
5.4.20.0200.04716.41
5.4.10.0100.07316.30
5.4.00.0070.06015.77
5.3.290.0070.07314.65
5.3.280.0030.08314.50
5.3.270.0000.08014.54
5.3.260.0070.06714.54
5.3.250.0170.05714.58
5.3.240.0070.07014.61
5.3.230.0170.06014.57
5.3.220.0070.07314.55
5.3.210.0070.08314.55
5.3.200.0070.07714.38
5.3.190.0070.03714.56
5.3.180.0070.07314.55
5.3.170.0070.07314.55
5.3.160.0100.07314.54
5.3.150.0100.06314.48
5.3.140.0100.07714.54
5.3.130.0070.06714.53
5.3.120.0130.05714.40
5.3.110.0100.04314.40
5.3.100.0000.08013.90
5.3.90.0030.07313.98
5.3.80.0030.08313.97
5.3.70.0030.07313.92
5.3.60.0100.06713.86
5.3.50.0100.06313.93
5.3.40.0030.07713.92
5.3.30.0130.07313.76
5.3.20.0030.06013.63
5.3.10.0100.07713.63
5.3.00.0030.07713.54
5.2.170.0030.04011.17
5.2.160.0070.05711.20
5.2.150.0100.06311.00
5.2.140.0030.03710.98
5.2.130.0070.06011.14
5.2.120.0070.06311.04
5.2.110.0100.05711.09
5.2.100.0030.05710.95
5.2.90.0070.05311.02
5.2.80.0030.05710.95
5.2.70.0100.05010.95
5.2.60.0070.06010.86
5.2.50.0030.06310.88
5.2.40.0070.06310.78
5.2.30.0070.06010.96
5.2.20.0100.05711.02
5.2.10.0030.05310.93
5.2.00.0100.06310.75
5.1.60.0100.04310.55
5.1.50.0030.05010.55
5.1.40.0070.05010.55
5.1.30.0130.05010.55
5.1.20.0030.03010.55
5.1.10.0070.03010.55
5.1.00.0030.05010.55
5.0.50.0000.04710.55
5.0.40.0030.04010.55
5.0.30.0030.05310.55
5.0.20.0070.04010.55
5.0.10.0070.04010.55
5.0.00.0000.06310.55
4.4.90.0000.03710.55
4.4.80.0000.03710.55
4.4.70.0070.03310.55
4.4.60.0030.03310.55
4.4.50.0000.04010.55
4.4.40.0030.05710.55
4.4.30.0030.02310.55
4.4.20.0030.03010.55
4.4.10.0100.03010.55
4.4.00.0030.03310.55
4.3.110.0030.03010.55
4.3.100.0070.03310.55
4.3.90.0000.03310.55
4.3.80.0070.05010.55
4.3.70.0000.03710.55
4.3.60.0030.03310.55
4.3.50.0070.03010.55
4.3.40.0030.05310.55
4.3.30.0000.02310.55
4.3.20.0070.03310.55
4.3.10.0000.03710.55
4.3.00.0030.03310.55

preferences:
43.33 ms | 400 KiB | 5 Q