3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo count("abcd"); $s = "arc"; echo "count: " . sizeof($s) . "\n"; $string = "Marcus"; $rest = $string; do { $rest = stristr($rest,$s); echo "rest: $rest\n"; $s3 = substr($rest,0,sizeof($s)+1); $string = str_replace($s3,"<$s3>",$string); echo "s3: $s3\n"; $rest = substr($rest,sizeof($s)+1); echo "rest: $rest\n"; echo "=======\n"; } while ($rest != false); echo "string: $string\n";

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)
8.3.60.0080.00618.27
8.3.50.0050.00921.08
8.3.40.0070.00718.82
8.3.30.0090.00618.66
8.3.20.0080.00018.96
8.3.10.0000.00821.15
8.3.00.0040.00421.73
8.2.180.0120.00916.50
8.2.170.0110.00422.96
8.2.160.0110.00322.13
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00021.00
8.2.110.0030.00720.38
8.2.100.0060.00617.59
8.2.90.0000.00819.09
8.2.80.0030.00617.97
8.2.70.0030.00517.63
8.2.60.0000.00717.80
8.2.50.0060.00318.07
8.2.40.0030.00618.09
8.2.30.0050.00321.16
8.2.20.0050.00217.71
8.2.10.0000.00717.73
8.2.00.0040.00417.60
8.1.280.0110.01125.92
8.1.270.0040.00423.99
8.1.260.0110.00726.35
8.1.250.0070.00028.09
8.1.240.0120.00020.69
8.1.230.0100.00020.97
8.1.220.0050.00318.77
8.1.210.0040.00418.91
8.1.200.0060.00317.11
8.1.190.0080.00017.53
8.1.180.0000.00818.10
8.1.170.0000.00818.52
8.1.160.0000.00718.75
8.1.150.0050.00318.56
8.1.140.0030.00617.25
8.1.130.0000.00817.79
8.1.120.0000.00717.34
8.1.110.0040.00417.36
8.1.100.0040.00417.36
8.1.90.0000.00717.22
8.1.80.0000.00717.27
8.1.70.0000.00717.27
8.1.60.0040.00417.48
8.1.50.0000.00717.41
8.1.40.0040.00417.42
8.1.30.0050.00217.50
8.1.20.0080.00017.62
8.1.10.0000.00817.54
8.1.00.0040.00417.45
8.0.300.0050.00219.96
8.0.290.0000.00718.99
8.0.280.0000.00718.38
8.0.270.0040.00417.19
8.0.260.0060.00316.82
8.0.250.0000.00716.91
8.0.240.0080.00016.92
8.0.230.0040.00416.82
8.0.220.0000.00816.88
8.0.210.0000.00716.88
8.0.200.0060.00016.98
8.0.190.0070.00016.98
8.0.180.0050.00316.91
8.0.170.0050.00216.77
8.0.160.0000.00716.88
8.0.150.0030.00316.74
8.0.140.0000.00716.75
8.0.130.0030.00313.27
8.0.120.0070.00016.84
8.0.110.0100.00016.88
8.0.100.0070.00016.94
8.0.90.0070.00016.89
8.0.80.0100.00516.81
8.0.70.0000.00716.95
8.0.60.0050.00316.93
8.0.50.0070.00016.84
8.0.30.0090.00917.07
8.0.20.0130.01117.40
8.0.10.0040.00416.91
8.0.00.0070.01216.69
7.4.330.0030.00314.70
7.4.320.0060.00016.64
7.4.300.0060.00016.36
7.4.290.0040.00416.56
7.4.280.0000.00816.60
7.4.270.0030.00316.49
7.4.260.0000.00513.21
7.4.250.0040.00416.54
7.4.240.0000.00716.59
7.4.230.0030.00316.58
7.4.220.0090.00916.49
7.4.210.0080.00716.48
7.4.200.0000.00716.62
7.4.190.0000.00916.67
7.4.160.0130.00716.53
7.4.150.0110.00717.40
7.4.140.0120.00817.86
7.4.130.0140.00416.39
7.4.120.0090.00716.42
7.4.110.0180.00016.64
7.4.100.0070.01016.54
7.4.90.0120.01216.53
7.4.80.0100.00719.39
7.4.70.0120.00416.39
7.4.60.0050.01116.49
7.4.50.0080.00016.48
7.4.40.0070.00722.77
7.4.30.0070.01316.39
7.4.10.0060.01215.92
7.4.00.0040.01415.45
7.3.330.0000.00513.05
7.3.320.0060.00013.22
7.3.310.0080.00016.37
7.3.300.0030.00316.36
7.3.290.0130.00616.32
7.3.280.0080.00816.31
7.3.270.0120.00517.40
7.3.260.0120.00718.24
7.3.250.0130.00616.53
7.3.240.0120.00516.60
7.3.230.0090.00916.41
7.3.210.0080.00816.45
7.3.200.0030.01419.39
7.3.190.0120.00916.36
7.3.180.0130.00316.30
7.3.170.0040.01216.45
7.3.160.0090.00616.51
7.3.130.0080.00815.69
7.3.120.0070.00815.29
7.3.110.0080.00815.45
7.3.100.0030.01015.70
7.3.90.0050.00715.52
7.3.80.0070.01015.58
7.3.70.0080.00915.59
7.3.60.0040.01215.66
7.3.50.0070.00315.58
7.3.40.0080.00615.61
7.3.30.0050.00715.53
7.3.20.0050.01117.50
7.3.10.0060.00717.08
7.3.00.0090.00817.19
7.2.330.0060.01216.75
7.2.320.0100.00716.73
7.2.310.0150.00916.65
7.2.300.0040.02016.70
7.2.290.0100.00616.79
7.2.260.0090.01115.79
7.2.250.0080.01015.86
7.2.240.0030.01015.87
7.2.230.0070.00715.83
7.2.220.0050.01115.99
7.2.210.0050.00715.84
7.2.200.0050.00515.84
7.2.190.0050.01115.73
7.2.180.0030.01015.71
7.2.170.0050.00815.69
7.2.160.0100.00415.86
7.2.150.0070.00817.75
7.2.140.0130.00117.69
7.2.130.0100.00817.54
7.2.120.0060.00717.29
7.2.110.0070.00417.43
7.2.100.0030.01217.37
7.2.90.0060.00617.51
7.2.80.0110.00317.45
7.2.70.0070.00817.48
7.2.60.0090.00517.30
7.2.50.0010.01217.47
7.2.40.0050.00817.41
7.2.30.0030.01317.41
7.2.20.0050.00817.25
7.2.10.0060.00817.31
7.2.00.0080.00617.95
7.1.330.0040.01116.56
7.1.320.0090.00316.66
7.1.310.0040.00816.66
7.1.300.0040.00416.57
7.1.290.0060.00616.61
7.1.280.0060.00816.41
7.1.270.0040.00816.54
7.1.260.0080.00516.48
7.1.250.0030.00916.15
7.1.240.0010.01116.51
7.1.230.0050.00716.51
7.1.220.0070.00716.49
7.1.210.0080.00316.66
7.1.200.0070.00716.25
7.1.190.0050.00616.49
7.1.180.0050.00916.59
7.1.170.0050.00816.46
7.1.160.0020.01216.61
7.1.150.0070.00516.64
7.1.140.0040.00816.61
7.1.130.0060.00516.52
7.1.120.0050.00716.55
7.1.110.0040.00816.57
7.1.100.0060.00517.10
7.1.90.0020.01016.62
7.1.80.0030.00916.60
7.1.70.0040.01116.72
7.1.60.0040.01217.41
7.1.50.0090.00916.71
7.1.40.0060.00716.46
7.1.30.0060.00916.40
7.1.20.0060.00816.40
7.1.10.0050.00916.56
7.1.00.0020.02018.51
7.0.330.0030.01016.09
7.0.320.0090.00716.20
7.0.310.0050.01016.18
7.0.300.0030.00716.10
7.0.290.0100.00616.17
7.0.280.0090.00616.17
7.0.270.0040.00916.14
7.0.260.0070.00416.24
7.0.250.0020.00816.25
7.0.240.0080.00216.27
7.0.230.0050.00816.10
7.0.220.0050.00816.14
7.0.210.0060.00616.25
7.0.200.0030.00716.36
7.0.190.0050.00516.23
7.0.180.0050.00716.17
7.0.170.0040.00616.21
7.0.160.0060.00616.23
7.0.150.0090.00416.29
7.0.140.0070.02918.03
7.0.130.0030.01216.03
7.0.120.0030.01316.32
7.0.110.0080.00516.24
7.0.100.0040.00716.28
7.0.90.0000.01416.22
7.0.80.0080.02317.36
7.0.70.0040.03117.42
7.0.60.0200.03317.50
7.0.50.0170.03217.54
7.0.40.0030.03916.19
7.0.30.0120.02916.28
7.0.20.0080.02016.17
7.0.10.0090.03016.03
7.0.00.0070.02616.15
5.6.400.0080.00514.83
5.6.390.0050.00715.05
5.6.380.0060.00815.27
5.6.370.0100.00515.06
5.6.360.0070.00715.15
5.6.350.0070.00915.09
5.6.340.0090.00415.10
5.6.330.0060.00615.25
5.6.320.0050.01114.83
5.6.310.0060.00615.27
5.6.300.0090.00715.28
5.6.290.0080.00815.17
5.6.280.0030.03117.12
5.6.270.0090.00515.12
5.6.260.0020.01015.05
5.6.250.0070.00915.14
5.6.240.0100.00215.03
5.6.230.0050.02216.99
5.6.220.0100.02616.98
5.6.210.0030.02216.86
5.6.200.0050.01917.12
5.6.190.0050.02017.04
5.6.180.0090.01817.05
5.6.170.0070.03016.99
5.6.160.0060.01517.20
5.6.150.0060.01917.27
5.6.140.0030.02116.98
5.6.130.0020.02817.00
5.6.120.0100.02817.07
5.6.110.0030.02217.13
5.6.100.0040.01917.12
5.6.90.0090.01717.18
5.6.80.0040.03216.93
5.6.70.0050.01616.87
5.6.60.0060.01916.80
5.6.50.0070.03316.83
5.6.40.0060.03316.75
5.6.30.0080.02516.93
5.6.20.0100.02716.79
5.6.10.0110.01516.84
5.6.00.0070.03016.83
5.5.380.0060.00715.30
5.5.370.0080.03216.88
5.5.360.0040.03316.83
5.5.350.0070.03316.88
5.5.340.0070.03116.99
5.5.330.0090.02716.95
5.5.320.0070.03217.07
5.5.310.0060.02317.02
5.5.300.0100.02516.81
5.5.290.0070.02717.06
5.5.280.0080.03116.88
5.5.270.0080.02016.71
5.5.260.0080.03216.96
5.5.250.0040.02416.89
5.5.240.0050.02016.61
5.5.230.0090.03116.76
5.5.220.0100.02216.78
5.5.210.0100.01916.75
5.5.200.0120.02616.73
5.5.190.0030.02216.74
5.5.180.0070.03016.76
5.5.170.0040.01114.91
5.5.160.0060.03016.61
5.5.150.0060.01916.71
5.5.140.0050.03016.77
5.5.130.0060.02716.70
5.5.120.0020.02116.62
5.5.110.0020.03416.63
5.5.100.0080.02416.74
5.5.90.0050.02216.66
5.5.80.0080.02416.67
5.5.70.0100.02716.71
5.5.60.0080.01516.69
5.5.50.0080.03016.69
5.5.40.0070.02516.71
5.5.30.0060.03016.72
5.5.20.0060.03216.66
5.5.10.0100.02716.54
5.5.00.0070.02716.68
5.4.450.0020.03014.76
5.4.440.0030.02814.64
5.4.430.0050.03014.66
5.4.420.0050.03114.66
5.4.410.0040.02214.54
5.4.400.0070.01414.59
5.4.390.0080.02614.62
5.4.380.0040.01514.54
5.4.370.0050.01914.46
5.4.360.0050.02314.49
5.4.350.0070.02314.58
5.4.340.0060.03114.61
5.4.330.0060.00312.28
5.4.320.0040.01614.53
5.4.310.0030.02214.41
5.4.300.0030.01914.58
5.4.290.0030.01814.55
5.4.280.0030.03014.55
5.4.270.0030.03014.61
5.4.260.0060.01214.54
5.4.250.0120.02014.63
5.4.240.0070.03014.61
5.4.230.0020.03214.51
5.4.220.0040.02014.54
5.4.210.0050.01614.52
5.4.200.0040.03114.50
5.4.190.0020.01914.56
5.4.180.0070.01414.59
5.4.170.0060.02814.53
5.4.160.0040.02914.54
5.4.150.0060.02814.52
5.4.140.0070.02713.72
5.4.130.0060.03013.65
5.4.120.0080.02213.59
5.4.110.0040.01913.65
5.4.100.0020.01813.62
5.4.90.0060.01413.70
5.4.80.0070.02913.58
5.4.70.0060.02413.59
5.4.60.0070.02013.61
5.4.50.0080.03013.66
5.4.40.0040.02913.66
5.4.30.0060.02713.66
5.4.20.0020.01913.67
5.4.10.0040.02913.71
5.4.00.0040.02613.45
5.3.290.0070.01713.22
5.3.280.0040.02013.17
5.3.270.0050.03113.28
5.3.260.0050.03313.22
5.3.250.0050.01313.23
5.3.240.0020.01813.14
5.3.230.0010.02513.25
5.3.220.0020.02413.15
5.3.210.0050.02113.14
5.3.200.0040.03013.09
5.3.190.0010.01813.09
5.3.180.0010.02013.30
5.3.170.0070.01713.17
5.3.160.0080.02613.25
5.3.150.0090.02713.21
5.3.140.0030.02613.19
5.3.130.0030.03013.17
5.3.120.0020.01813.21
5.3.110.0050.02813.21
5.3.100.0070.02913.04
5.3.90.0030.03013.01
5.3.80.0060.01812.96
5.3.70.0020.02612.95
5.3.60.0020.03113.05
5.3.50.0050.02812.93
5.3.40.0010.02712.96
5.3.30.0010.01813.00
5.3.20.0050.01612.91
5.3.10.0010.01712.76
5.3.00.0010.03112.78
5.2.170.0030.04312.34
5.2.160.0070.05712.34
5.2.150.0070.02712.34
5.2.140.0070.03012.34
5.2.130.0000.02712.34
5.2.120.0030.03012.34
5.2.110.0030.02312.34
5.2.100.0070.02312.34
5.2.90.0070.02012.34
5.2.80.0000.04012.34
5.2.70.0100.04012.34
5.2.60.0030.03312.34
5.2.50.0000.03012.34
5.2.40.0000.03712.34
5.2.30.0030.05712.34
5.2.20.0000.03312.34
5.2.10.0000.03312.34
5.2.00.0030.06312.34
5.1.60.0070.02012.34
5.1.50.0030.05312.34
5.1.40.0030.04712.34
5.1.30.0030.05312.34
5.1.20.0030.05012.34
5.1.10.0100.05012.34
5.1.00.0070.04012.34
5.0.50.0000.03712.34
5.0.40.0000.02012.34
5.0.30.0000.03312.34
5.0.20.0030.02012.34
5.0.10.0030.01712.34
5.0.00.0030.02312.34
4.4.90.0000.02712.34
4.4.80.0070.01012.34
4.4.70.0030.01712.34
4.4.60.0000.02312.34
4.4.50.0000.02012.34
4.4.40.0000.02312.34
4.4.30.0030.01012.34
4.4.20.0000.02012.34
4.4.10.0000.02012.34
4.4.00.0000.02312.34
4.3.110.0030.02712.34
4.3.100.0000.02012.34
4.3.90.0000.01312.34
4.3.80.0000.02012.34
4.3.70.0000.03012.34
4.3.60.0000.03712.34
4.3.50.0000.02712.34
4.3.40.0000.03012.34
4.3.30.0030.01312.34
4.3.20.0030.01312.34
4.3.10.0000.01712.34
4.3.00.0000.02712.34

preferences:
45.85 ms | 401 KiB | 5 Q