3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,'as',3); $string = current($a); $i = 0; while(next($a) && strlen($string.current($a)) < 3){ $string .= current($a); } echo $string;

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)
8.3.60.0060.00918.55
8.3.50.0140.00721.96
8.3.40.0040.01118.71
8.3.30.0100.00319.09
8.3.20.0050.00220.22
8.3.10.0040.00420.57
8.3.00.0080.00019.25
8.2.180.0170.00016.50
8.2.170.0090.00622.96
8.2.160.0030.01020.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0030.00522.18
8.2.110.0180.00322.25
8.2.100.0030.01017.58
8.2.90.0000.00818.96
8.2.80.0060.00317.97
8.2.70.0000.01017.63
8.2.60.0110.00317.78
8.2.50.0040.00418.07
8.2.40.0090.00318.16
8.2.30.0040.00419.23
8.2.20.0070.00017.60
8.2.10.0030.00518.12
8.2.00.0000.00817.66
8.1.280.0170.00325.92
8.1.270.0080.00023.96
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.91
8.1.230.0110.00019.12
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0100.00317.23
8.1.190.0040.00417.22
8.1.180.0020.00518.10
8.1.170.0130.00018.42
8.1.160.0070.00021.88
8.1.150.0040.00418.93
8.1.140.0000.00717.36
8.1.130.0030.00317.76
8.1.120.0000.00717.29
8.1.110.0080.00017.48
8.1.100.0070.00017.50
8.1.90.0030.00517.49
8.1.80.0050.00317.52
8.1.70.0030.00317.39
8.1.60.0000.00717.60
8.1.50.0060.00317.59
8.1.40.0040.00417.51
8.1.30.0030.00617.54
8.1.20.0080.00017.52
8.1.10.0050.00217.46
8.1.00.0060.00317.41
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.39
8.0.270.0000.00717.26
8.0.260.0000.00618.43
8.0.250.0020.00516.95
8.0.240.0030.00316.95
8.0.230.0000.00816.97
8.0.220.0000.00716.84
8.0.210.0030.00316.90
8.0.200.0030.00316.84
8.0.190.0030.00516.85
8.0.180.0000.00816.89
8.0.170.0040.00416.97
8.0.160.0040.00416.75
8.0.150.0070.00016.71
8.0.140.0000.00716.88
8.0.130.0080.00013.32
8.0.120.0050.00316.83
8.0.110.0040.00416.79
8.0.100.0000.00816.77
8.0.90.0000.00716.75
8.0.80.0040.01116.83
8.0.70.0050.00316.73
8.0.60.0040.00416.87
8.0.50.0040.00416.79
8.0.30.0110.00917.23
8.0.20.0070.01217.40
8.0.10.0030.00517.04
8.0.00.0120.00516.79
7.4.330.0000.00615.08
7.4.320.0060.00016.64
7.4.300.0060.00016.41
7.4.290.0000.00716.59
7.4.280.0000.00716.57
7.4.270.0050.00216.57
7.4.260.0000.00716.59
7.4.250.0000.00816.39
7.4.240.0050.00216.53
7.4.230.0030.00316.60
7.4.220.0100.01616.55
7.4.210.0090.00616.54
7.4.200.0080.00016.41
7.4.160.0100.00716.28
7.4.150.0140.00717.40
7.4.140.0140.00517.86
7.4.130.0060.01216.35
7.4.120.0120.00616.50
7.4.110.0080.00816.43
7.4.100.0060.01116.56
7.4.90.0060.01416.60
7.4.80.0030.01318.63
7.4.70.0100.00716.45
7.4.60.0070.01016.48
7.4.50.0040.00416.57
7.4.40.0070.01016.42
7.4.30.0060.01016.54
7.4.00.0070.00415.03
7.3.330.0060.00013.11
7.3.320.0050.00013.15
7.3.310.0070.00016.31
7.3.300.0060.00016.24
7.3.290.0090.00916.20
7.3.280.0060.01116.25
7.3.270.0130.02617.40
7.3.260.0060.01616.78
7.3.250.0120.00516.39
7.3.240.0070.01016.35
7.3.230.0160.00016.39
7.3.210.0130.00316.45
7.3.200.0060.01319.39
7.3.190.0090.00816.45
7.3.180.0190.00016.34
7.3.170.0080.00816.50
7.3.160.0090.00616.47
7.3.00.0110.00316.64
7.2.330.0150.00616.53
7.2.320.0070.01016.70
7.2.310.0060.01516.59
7.2.300.0130.00316.69
7.2.290.0110.00916.54
7.2.130.0070.01016.88
7.2.120.0030.01016.94
7.2.110.0040.01116.89
7.2.100.0060.00616.84
7.2.90.0040.00817.11
7.2.80.0110.00316.85
7.2.70.0070.00716.85
7.2.60.0080.00516.90
7.2.50.0070.01016.96
7.2.40.0070.00716.90
7.2.30.0070.00716.73
7.2.20.0080.00816.87
7.2.10.0110.00717.03
7.2.00.0040.01118.23
7.1.250.0070.00715.82
7.1.240.0060.00315.83
7.1.230.0090.00315.73
7.1.220.0030.00815.89
7.1.210.0040.00815.61
7.1.200.0100.00415.87
7.1.190.0030.00615.57
7.1.180.0030.00615.56
7.1.170.0060.00615.85
7.1.160.0030.00615.85
7.1.150.0040.00815.76
7.1.140.0090.00615.71
7.1.130.0030.00916.05
7.1.120.0030.00615.80
7.1.110.0070.00715.55
7.1.100.0000.01417.11
7.1.90.0040.01215.70
7.1.80.0100.00315.81
7.1.70.0030.00516.29
7.1.60.0070.00617.41
7.1.50.0060.00716.46
7.1.40.0130.00315.70
7.1.30.0090.00615.76
7.1.20.0000.01315.84
7.1.10.0060.00615.92
7.1.00.0030.04319.09
7.0.330.0040.00715.56
7.0.320.0030.01015.38
7.0.310.0070.00415.44
7.0.300.0060.00615.61
7.0.290.0070.00715.38
7.0.280.0040.00815.14
7.0.270.0060.00615.44
7.0.260.0030.00715.40
7.0.250.0040.01215.17
7.0.240.0080.00015.29
7.0.230.0060.00915.31
7.0.220.0060.00915.42
7.0.210.0030.00915.18
7.0.200.0020.00816.12
7.0.190.0100.00315.33
7.0.180.0050.00515.45
7.0.170.0000.01215.52
7.0.160.0000.01315.48
7.0.150.0060.00315.41
7.0.140.0050.03818.72
7.0.130.0060.01015.52
7.0.120.0030.01015.34
7.0.110.0100.00315.17
7.0.100.0000.00915.27
7.0.90.0040.00815.30
7.0.80.0060.00915.67
7.0.70.0040.00815.35
7.0.60.0080.04017.77
7.0.50.0050.03816.79
7.0.40.0050.02516.76
7.0.30.0270.04516.80
7.0.20.0120.03916.71
7.0.10.0030.02916.78
7.0.00.0060.02416.79
5.6.380.0070.00414.11
5.6.370.0040.00814.51
5.6.360.0070.00714.56
5.6.350.0060.00914.66
5.6.340.0040.00414.32
5.6.330.0060.00614.32
5.6.320.0080.00414.24
5.6.310.0080.00814.04
5.6.300.0040.01113.84
5.6.290.0030.00814.61
5.6.280.0030.04017.57
5.6.270.0080.00014.27
5.6.260.0030.00914.23
5.6.250.0070.00714.21
5.6.240.0070.00414.30
5.6.230.0060.00314.15
5.6.220.0090.00614.39
5.6.210.0070.04317.26
5.6.200.0080.02016.35
5.6.190.0080.03017.52
5.6.180.0250.04017.39
5.6.170.0120.02417.54
5.6.160.0080.02817.34
5.6.150.0080.03216.29
5.6.140.0060.02316.25
5.6.130.0060.04316.40
5.6.120.0030.02617.79
5.6.110.0120.04317.75
5.6.100.0100.02517.57
5.6.90.0050.04817.62
5.6.80.0110.03317.27
5.6.70.0070.00714.15
5.6.60.0030.01214.27
5.6.50.0100.00614.30
5.6.40.0110.00314.44
5.6.30.0060.00614.52
5.6.20.0100.00714.26
5.6.10.0030.00914.37
5.6.00.0070.01014.04
5.5.380.0060.00611.18
5.5.370.0030.01011.18
5.5.360.0060.00011.18
5.5.350.0050.04315.75
5.5.340.0100.02314.57
5.5.330.0050.02315.87
5.5.320.0130.04415.71
5.5.310.0160.04015.65
5.5.300.0020.02214.65
5.5.290.0030.02514.64
5.5.280.0050.03816.02
5.5.270.0070.04515.92
5.5.260.0050.02315.98
5.5.250.0040.02815.88
5.5.240.0130.03815.61
5.5.230.0120.00011.18
5.5.220.0030.00311.18
5.5.210.0040.00711.18
5.5.200.0090.00011.18
5.5.190.0030.01011.18
5.5.180.0080.00411.18
5.5.170.0030.00911.18
5.5.160.0000.00711.18
5.5.150.0090.00311.23
5.5.140.0050.00511.18
5.5.130.0000.01311.18
5.5.120.0000.00811.18
5.5.110.0030.00911.18
5.5.100.0000.00711.18
5.5.90.0030.00611.18
5.5.80.0060.00611.18
5.5.70.0000.01111.26
5.5.60.0000.01011.18
5.5.50.0060.00611.18
5.5.40.0040.00811.18
5.5.30.0070.00311.18
5.5.20.0060.00611.18
5.5.10.0140.00011.18
5.5.00.0000.01311.18
5.4.450.0200.03215.31
5.4.440.0070.03215.21
5.4.430.0340.03215.14
5.4.420.0470.03215.14
5.4.410.0410.02815.18
5.4.400.0300.03515.23
5.4.390.0360.03315.22
5.4.380.0220.02514.87
5.4.370.0120.04114.88
5.4.360.0210.03214.96
5.4.350.0250.03214.93
5.4.340.0200.02714.85
5.4.330.0080.00011.18
5.4.320.0050.02011.81
5.4.310.0080.02111.81
5.4.300.0060.02011.81
5.4.290.0070.02011.81
5.4.280.0040.01911.76
5.4.270.0060.02111.76
5.4.260.0070.02211.76
5.4.250.0050.02111.76
5.4.240.0050.02011.76
5.4.230.0030.02511.76
5.4.220.0050.02211.76
5.4.210.0060.01911.76
5.4.200.0060.02011.76
5.4.190.0050.02011.76
5.4.180.0050.02111.76
5.4.170.0060.02111.76
5.4.160.0020.02511.76
5.4.150.0080.02011.76
5.4.140.0040.02111.60
5.4.130.0030.02311.59
5.4.120.0050.02211.57
5.4.110.0050.02311.57
5.4.100.0080.01911.58
5.4.90.0040.02211.57
5.4.80.0020.02511.57
5.4.70.0040.02111.57
5.4.60.0060.01911.57
5.4.50.0050.02011.57
5.4.40.0020.02211.56
5.4.30.0020.02411.56
5.4.20.0040.02211.56
5.4.10.0040.02011.56
5.4.00.0050.02211.30
5.3.290.0060.02211.99
5.3.280.0040.02311.94
5.3.270.0050.02011.95
5.3.260.0020.02411.95
5.3.250.0060.02011.95
5.3.240.0050.02411.95
5.3.230.0070.02111.94
5.3.220.0050.02411.93
5.3.210.0030.02411.93
5.3.200.0090.01811.93
5.3.190.0040.02011.93
5.3.180.0030.02311.92
5.3.170.0050.02111.92
5.3.160.0020.02311.92
5.3.150.0050.02311.92
5.3.140.0040.02311.92
5.3.130.0020.02511.91
5.3.120.0050.02011.92
5.3.110.0020.02411.92
5.3.100.0040.02311.65
5.3.90.0080.02011.63
5.3.80.0030.02311.62
5.3.70.0050.02011.62
5.3.60.0040.02111.62
5.3.50.0050.02111.59
5.3.40.0060.02011.59
5.3.30.0060.01911.56
5.3.20.0030.02111.45
5.3.10.0020.02311.43
5.3.00.0050.01811.43
5.2.170.0070.01410.18
5.2.160.0040.01810.18
5.2.150.0060.01510.18
5.2.140.0050.01710.17
5.2.130.0030.01810.16
5.2.120.0020.01810.15
5.2.110.0030.01910.16
5.2.100.0040.01610.16
5.2.90.0080.01410.16
5.2.80.0050.01810.15
5.2.70.0020.01810.16
5.2.60.0020.01810.13
5.2.50.0050.01510.12
5.2.40.0040.01810.11
5.2.30.0030.01810.09
5.2.20.0020.01910.09
5.2.10.0060.01510.05
5.2.00.0040.0189.98
5.1.60.0040.0149.63
5.1.50.0040.0159.63
5.1.40.0060.0139.62
5.1.30.0020.0189.79
5.1.20.0020.0179.80
5.1.10.0070.0129.66
5.1.00.0040.0139.66
5.0.50.0050.0108.90
5.0.40.0040.0108.83
5.0.30.0040.0178.74
5.0.20.0070.0088.72
5.0.10.0010.0148.71
5.0.00.0030.0178.71
4.4.90.0020.0117.98
4.4.80.0010.0107.96
4.4.70.0040.0097.97
4.4.60.0020.0137.97
4.4.50.0020.0107.97
4.4.40.0020.0167.94
4.4.30.0010.0107.97
4.4.20.0020.0098.01
4.4.10.0020.0118.01
4.4.00.0020.0167.97
4.3.110.0050.0077.92
4.3.100.0020.0107.92
4.3.90.0030.0127.90
4.3.80.0040.0137.88
4.3.70.0010.0117.90
4.3.60.0050.0077.90
4.3.50.0030.0107.90
4.3.40.0020.0147.86
4.3.30.0010.0107.23
4.3.20.0030.0107.22
4.3.10.0020.0107.20
4.3.00.0030.0139.05

preferences:
38.08 ms | 401 KiB | 5 Q