3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { return base64_encode($val); } function gdr_decode($val) { return base64_decode($val); } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); foreach ($vals as $val) { $enc = json_encode(gdr_encode($val)); $dec = json_encode(gdr_decode($enc)); $val = json_encode($val); if (strlen($enc) > strlen($val)) { echo "$enc $val WORSE\n"; } else if (strlen($enc) == strlen($val)) { echo "$enc $val EQUAL\n"; } else { echo "$enc $val\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)
8.3.60.0110.00716.50
8.3.50.0040.01119.69
8.3.40.0040.01118.53
8.3.30.0140.00019.08
8.3.20.0040.00420.13
8.3.10.0040.00421.86
8.3.00.0080.00017.50
8.2.180.0090.00916.63
8.2.170.0120.00922.96
8.2.160.0100.01020.39
8.2.150.0070.00024.18
8.2.140.0050.00224.66
8.2.130.0000.00926.16
8.2.120.0050.00321.09
8.2.110.0050.00520.96
8.2.100.0040.00717.78
8.2.90.0040.00418.03
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0000.00817.80
8.2.30.0040.00418.09
8.2.20.0040.00417.61
8.2.10.0030.00618.10
8.2.00.0040.00417.81
8.1.280.0000.01525.92
8.1.270.0060.00323.82
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0050.00519.26
8.1.230.0060.00620.95
8.1.220.0040.00417.74
8.1.210.0040.00418.88
8.1.200.0030.01017.23
8.1.190.0000.00917.25
8.1.180.0000.00918.10
8.1.170.0000.00818.49
8.1.160.0040.00421.95
8.1.150.0040.00418.89
8.1.140.0000.00717.39
8.1.130.0000.00717.88
8.1.120.0040.00417.37
8.1.110.0000.00717.47
8.1.100.0000.00717.46
8.1.90.0070.00017.38
8.1.80.0040.00317.50
8.1.70.0000.00917.43
8.1.60.0000.00917.59
8.1.50.0040.00417.55
8.1.40.0040.00417.53
8.1.30.0030.00517.50
8.1.20.0050.00317.58
8.1.10.0030.00517.44
8.1.00.0030.00517.48
8.0.300.0050.00219.90
8.0.290.0040.00416.75
8.0.280.0040.00418.34
8.0.270.0060.00317.18
8.0.260.0030.00617.20
8.0.250.0030.00316.94
8.0.240.0000.00716.98
8.0.230.0000.00816.95
8.0.220.0030.00316.94
8.0.210.0070.00016.89
8.0.200.0030.00317.00
8.0.190.0040.00416.94
8.0.180.0040.00416.93
8.0.170.0040.00416.94
8.0.160.0040.00416.88
8.0.150.0040.00416.89
8.0.140.0040.00416.87
8.0.130.0070.00015.06
8.0.120.0010.00716.84
8.0.110.0020.00616.87
8.0.100.0040.00416.86
8.0.90.0060.00116.81
8.0.80.0070.00416.91
8.0.70.0030.00416.90
8.0.60.0030.00516.89
8.0.50.0030.00516.86
8.0.30.0070.00916.99
8.0.20.0080.00817.22
8.0.10.0020.00517.05
8.0.00.0120.00516.92
7.4.330.0030.00315.01
7.4.320.0000.00716.61
7.4.300.0060.00016.56
7.4.290.0000.00716.54
7.4.280.0080.00016.46
7.4.270.0020.00616.55
7.4.260.0050.00416.63
7.4.250.0040.00316.53
7.4.240.0040.00316.55
7.4.230.0000.00716.61
7.4.220.0050.00816.48
7.4.210.0060.00516.63
7.4.200.0020.00516.65
7.4.190.0000.00816.50
7.4.180.0000.00716.66
7.4.160.0050.00716.59
7.4.150.0060.01116.94
7.4.140.0070.00917.38
7.4.130.0060.00716.49
7.4.120.0050.01316.49
7.4.110.0050.00716.54
7.4.100.0070.00516.48
7.4.90.0080.00416.36
7.4.80.0040.01017.98
7.4.70.0030.00916.63
7.4.60.0070.00516.46
7.4.50.0030.00516.44
7.4.40.0050.00716.45
7.4.30.0070.00416.47
7.4.20.0000.00816.54
7.4.10.0000.00916.33
7.4.00.0050.00715.71
7.3.330.0100.00314.66
7.3.320.0100.00414.83
7.3.310.0120.00516.32
7.3.300.0110.00416.33
7.3.290.0130.00716.30
7.3.280.0100.00916.29
7.3.270.0130.00816.82
7.3.260.0160.00316.41
7.3.250.0100.00816.40
7.3.240.0130.00616.38
7.3.230.0140.00416.36
7.3.220.0150.00516.18
7.3.210.0150.00416.35
7.3.200.0160.00517.74
7.3.190.0120.00816.31
7.3.180.0170.00216.34
7.3.170.0140.00416.37
7.3.160.0120.00716.46
7.3.150.0210.00016.34
7.3.140.0140.00716.30
7.3.130.0170.00416.25
7.3.120.0100.01016.30
7.3.110.0180.00416.13
7.3.100.0180.00316.04
7.3.90.0120.01016.59
7.3.80.0140.00816.32
7.3.70.0140.00816.40
7.3.60.0120.00916.28
7.3.50.0180.00516.45
7.3.40.0210.00016.60
7.3.30.0170.00416.50
7.3.20.0110.01118.32
7.3.10.0130.00718.17
7.3.00.0230.00018.29
7.2.340.0160.00516.33
7.2.330.0150.00416.64
7.2.320.0120.00716.58
7.2.310.0100.00916.55
7.2.300.0120.00616.68
7.2.290.0140.00416.61
7.2.280.0180.00416.54
7.2.270.0130.00916.49
7.2.260.0180.00316.34
7.2.250.0190.00416.48
7.2.240.0220.00016.43
7.2.230.0160.00416.34
7.2.220.0100.01016.50
7.2.210.0200.00316.47
7.2.200.0180.00516.64
7.2.190.0200.00316.40
7.2.180.0190.00316.41
7.2.170.0150.00616.52
7.2.160.0100.01016.64
7.2.150.0160.00418.55
7.2.140.0140.00718.46
7.2.130.0170.00618.43
7.2.120.0210.00618.56
7.2.110.0170.00618.45
7.2.100.0150.00718.39
7.2.90.0200.00418.40
7.2.80.0180.00918.43
7.2.70.0170.00618.44
7.2.60.0130.00818.50
7.2.50.0130.00918.53
7.2.40.0110.00818.55
7.2.30.0160.00818.47
7.2.20.0190.00418.38
7.2.10.0170.00418.63
7.2.00.0110.00518.87
7.1.330.0190.00517.14
7.1.320.0110.00817.53
7.1.310.0130.00717.29
7.1.300.0220.00017.25
7.1.290.0170.00317.21
7.1.280.0230.00017.33
7.1.270.0090.01017.44
7.1.260.0180.00017.40
7.1.250.0200.00317.30
7.1.240.0150.00417.33
7.1.230.0130.00617.42
7.1.220.0200.00017.44
7.1.210.0160.00517.34
7.1.200.0130.01016.41
7.1.190.0160.00417.29
7.1.180.0100.01017.38
7.1.170.0140.00517.41
7.1.160.0150.00517.37
7.1.150.0140.00617.32
7.1.140.0180.00417.17
7.1.130.0160.00517.16
7.1.120.0160.00317.36
7.1.110.0150.00517.17
7.1.100.0100.00717.47
7.1.90.0150.00617.38
7.1.80.0160.00417.40
7.1.70.0110.00417.13
7.1.60.0130.01018.44
7.1.50.0100.01217.21
7.1.40.0140.00617.30
7.1.30.0160.00317.30
7.1.20.0200.00017.24
7.1.10.0200.00017.36
7.1.00.0110.04019.74
7.0.330.0160.00417.08
7.0.320.0130.00716.82
7.0.310.0160.00317.02
7.0.300.0150.00416.98
7.0.290.0140.00517.05
7.0.280.0150.00516.78
7.0.270.0140.00517.00
7.0.260.0130.00516.78
7.0.250.0120.00817.09
7.0.240.0130.00617.10
7.0.230.0180.00317.09
7.0.220.0100.01016.99
7.0.210.0160.00316.92
7.0.200.0070.00616.84
7.0.190.0120.00617.01
7.0.180.0190.00416.96
7.0.170.0150.00516.99
7.0.160.0150.00316.85
7.0.150.0140.00516.84
7.0.140.0150.03419.43
7.0.130.0150.00317.05
7.0.120.0160.00417.25
7.0.110.0160.00317.09
7.0.100.0120.00617.10
7.0.90.0350.02518.54
7.0.80.0350.03018.39
7.0.70.0300.03118.52
7.0.60.0330.02818.57
7.0.50.0260.04718.59
7.0.40.0170.03418.58
7.0.30.0090.04218.44
7.0.20.0150.03918.46
7.0.10.0140.02218.61
7.0.00.0170.04218.47
5.6.400.0110.00615.79
5.6.390.0140.00515.81
5.6.380.0110.00715.68
5.6.370.0160.00315.66
5.6.360.0140.00515.79
5.6.350.0160.00615.86
5.6.340.0150.00315.87
5.6.330.0140.00315.87
5.6.320.0150.00315.60
5.6.310.0150.00415.87
5.6.300.0180.00015.57
5.6.290.0150.00415.70
5.6.280.0120.03718.48
5.6.270.0180.00015.84
5.6.260.0100.00815.91
5.6.250.0130.00415.82
5.6.240.0080.04518.26
5.6.230.0110.04218.26
5.6.220.0120.03118.21
5.6.210.0150.03818.20
5.6.200.0080.04718.44
5.6.190.0100.04518.50
5.6.180.0140.03918.46
5.6.170.0100.04518.52
5.6.160.0070.03118.61
5.6.150.0120.04018.56
5.6.140.0140.02818.51
5.6.130.0070.03018.41
5.6.120.0120.02218.36
5.6.110.0060.03518.47
5.6.100.0150.04018.49
5.6.90.0160.04018.43
5.6.80.0100.04018.04
5.6.70.0120.03618.22
5.6.60.0080.03218.27
5.6.50.0140.03117.96
5.6.40.0020.02818.09
5.6.30.0070.04118.24
5.6.20.0120.02818.17
5.6.10.0130.02118.12
5.6.00.0100.04018.08
5.5.380.0090.04218.22
5.5.370.0100.04118.19
5.5.360.0110.02718.00
5.5.350.0060.02718.02
5.5.340.0150.02618.30
5.5.330.0090.03218.37
5.5.320.0070.04518.26
5.5.310.0130.02818.18
5.5.300.0110.03418.23
5.5.290.0120.03318.37
5.5.280.0090.02218.26
5.5.270.0080.04318.24
5.5.260.0140.04018.31
5.5.250.0100.04618.31
5.5.240.0140.03518.06
5.5.230.0180.03518.01
5.5.220.0050.04118.01
5.5.210.0080.04518.07
5.5.200.0140.02017.89
5.5.190.0070.04717.98
5.5.180.0060.02917.98
5.5.170.0160.00415.67
5.5.160.0130.03817.84
5.5.150.0080.02317.93
5.5.140.0110.02017.77
5.5.130.0170.03317.96
5.5.120.0140.03817.96
5.5.110.0100.04517.84
5.5.100.0110.02617.86
5.5.90.0070.02617.97
5.5.80.0110.02417.99
5.5.70.0150.03717.89
5.5.60.0170.03517.97
5.5.50.0080.02517.87
5.5.40.0100.04018.05
5.5.30.0130.03417.95
5.5.20.0170.02318.02
5.5.10.0090.02317.92
5.5.00.0130.03317.96
5.4.450.0210.02816.08
5.4.440.0070.02315.97
5.4.430.0070.03016.20
5.4.420.0110.04016.09
5.4.410.0100.04116.00
5.4.400.0110.03715.82
5.4.390.0100.04115.83
5.4.380.0070.03715.81
5.4.370.0110.03715.86
5.4.360.0080.04515.93
5.4.350.0090.03815.68
5.4.340.0180.03215.82
5.4.330.0120.00312.40
5.4.320.0060.03715.87
5.4.310.0090.02815.82
5.4.300.0100.02515.87
5.4.290.0080.03915.71
5.4.280.0100.04115.73
5.4.270.0060.04415.89
5.4.260.0120.03515.94
5.4.250.0110.03815.87
5.4.240.0090.03715.94
5.4.230.0090.03515.75
5.4.220.0040.03115.60
5.4.210.0100.04115.88
5.4.200.0150.03515.88
5.4.190.0110.03715.56
5.4.180.0110.02515.64
5.4.170.0140.02715.89
5.4.160.0070.03815.85
5.4.150.0120.02315.79
5.4.140.0050.04014.45
5.4.130.0090.02214.51
5.4.120.0110.02614.50
5.4.110.0160.01714.49
5.4.100.0080.03114.62
5.4.90.0060.03814.63
5.4.80.0050.04114.66
5.4.70.0090.03814.72
5.4.60.0050.03814.60
5.4.50.0120.02814.57
5.4.40.0070.04014.49
5.4.30.0050.02814.63
5.4.20.0100.04014.56
5.4.10.0100.04014.65
5.4.00.0110.03714.19
5.3.290.0030.07714.60
5.3.280.0030.07714.67
5.3.270.0100.07314.68
5.3.260.0100.06714.74
5.3.250.0100.07314.65
5.3.240.0070.07014.76
5.3.230.0070.04314.73
5.3.220.0030.04014.69
5.3.210.0030.05314.67
5.3.200.0030.07714.54
5.3.190.0130.07014.71
5.3.180.0030.07014.57
5.3.170.0100.07014.50
5.3.160.0070.07714.55
5.3.150.0070.07314.59
5.3.140.0030.07314.70
5.3.130.0130.03714.58
5.3.120.0000.04314.62
5.3.110.0100.07014.49
5.3.100.0030.07714.17
5.3.90.0070.07313.96
5.3.80.0030.04714.10
5.3.70.0070.07714.04
5.3.60.0130.07014.10
5.3.50.0100.07013.97
5.3.40.0030.07013.98
5.3.30.0070.04014.04
5.3.20.0000.04313.77
5.3.10.0100.04013.60
5.3.00.0100.03713.55

preferences:
40.69 ms | 400 KiB | 5 Q